Index

A

absolutize_url() (in module derrida.common.utils) add_arguments() (derrida.books.management.commands.import_digitaleds.Command method) (derrida.books.management.commands.reference_data.Command method) (derrida.interventions.management.commands.intervention_data.Command method) add_field_facet() (derrida.common.solr_backend.RangeSolrSearchQuery method) add_range_facet() (derrida.common.solr_backend.RangeSolrSearchQuery method) admin_thumbnail() (derrida.interventions.models.Intervention method) AliasIntegerField (class in derrida.people.models) allow_canvas_detail() (derrida.books.models.Instance class method) allow_canvas_large_image() (derrida.books.models.Instance method) alternate_title (derrida.books.models.Instance attribute) anchor_text (derrida.books.models.Reference attribute) (derrida.books.search_indexes.ReferenceIndex attribute) (derrida.interventions.search_indexes.InterventionIndex attribute) anchor_text_lang (derrida.interventions.search_indexes.InterventionIndex attribute) anchor_text_snippet() (derrida.books.models.Reference method)

annotated_pages() (derrida.books.models.Instance method) annotation_author (derrida.interventions.search_indexes.InterventionIndex attribute) annotation_language (derrida.interventions.search_indexes.InterventionIndex attribute) annotation_text (derrida.interventions.search_indexes.InterventionIndex attribute) annotation_text_lang (derrida.interventions.search_indexes.InterventionIndex attribute) annotation_type (derrida.interventions.search_indexes.InterventionIndex attribute) annotation_type() (derrida.interventions.models.Intervention property) as_zotero_item() (derrida.books.models.Instance method) author (derrida.books.search_indexes.InstanceIndex attribute) (derrida.interventions.models.Intervention attribute) (derrida.outwork.search_indexes.OutworkIndex attribute) author_firstname_last (derrida.books.search_indexes.InstanceIndex attribute) author_isort (derrida.books.search_indexes.InstanceIndex attribute) author_names() (derrida.books.models.Instance method) (derrida.books.models.Work method) authors (derrida.books.models.Work attribute)

B

base_filename (derrida.interventions.management.commands.intervention_data.Command attribute) Bibliography (class in derrida.footnotes.models) Bibliography.DoesNotExist Bibliography.MultipleObjectsReturned book() (derrida.books.models.Reference property)

book_page (derrida.books.models.Reference attribute) (derrida.books.search_indexes.ReferenceIndex attribute) book_page_sort (derrida.books.search_indexes.ReferenceIndex attribute) build_params() (derrida.common.solr_backend.RangeSolrSearchQuery method) build_schema() (derrida.common.solr_backend.SolrRangeSearchBackend method)

C

canvas (derrida.interventions.models.Intervention attribute) canvas_short_id() (derrida.books.management.commands.import_digitaleds.DerridaManifestImporter method) CanvasAutocomplete (class in derrida.interventions.views) CanvasDetail (class in derrida.books.views) (class in derrida.interventions.views) canvases (derrida.books.models.Reference attribute) CanvasImage (class in derrida.books.views) CanvasImageByPageNumber (class in derrida.books.views) CanvasSuppress (class in derrida.books.views) catalogue_call_numbers() (derrida.books.models.Instance method) chunk_size (derrida.books.management.commands.export_zotero.Command attribute) cited_in (derrida.books.models.Instance attribute) (derrida.books.search_indexes.InstanceIndex attribute) clean() (derrida.books.models.Instance method) clean_fields() (derrida.common.models.DateRange method) collected_in (derrida.books.models.Instance attribute) Command (class in derrida.books.management.commands.export_zotero) (class in derrida.books.management.commands.import_digitaleds) (class in derrida.books.management.commands.reference_data) (class in derrida.interventions.management.commands.intervention_data)

contact_info (derrida.books.models.OwningInstitution attribute) contribute_to_class() (derrida.people.models.AliasIntegerField method) copy (derrida.books.models.Instance attribute) (derrida.books.search_indexes.InstanceIndex attribute) copyright_year (derrida.books.models.Instance attribute) (derrida.books.search_indexes.InstanceIndex attribute) corresponding_intervention (derrida.books.search_indexes.ReferenceIndex attribute) create_collections() (derrida.books.management.commands.export_zotero.Command method) create_items() (derrida.books.management.commands.export_zotero.Command method) CreatorType (class in derrida.books.models) CreatorType.DoesNotExist CreatorType.MultipleObjectsReturned csv_fields (derrida.books.management.commands.reference_data.Command attribute) (derrida.interventions.management.commands.intervention_data.Command attribute)

D

DateRange (class in derrida.common.models) dates() (derrida.common.models.DateRange property) derrida.books (module) derrida.books.management.commands.export_zotero (module) derrida.books.management.commands.import_digitaleds (module) derrida.books.management.commands.reference_data (module) derrida.books.models (module) derrida.books.search_indexes (module) derrida.books.signals (module) derrida.books.views (module) derrida.common (module) derrida.common.models (module) derrida.common.solr_backend (module) derrida.common.utils (module) derrida.footnotes (module) derrida.footnotes.models (module) derrida.interventions (module) derrida.interventions.management.commands.intervention_data (module) derrida.interventions.models (module) derrida.interventions.search_indexes (module) derrida.interventions.views (module) derrida.outwork.models (module) derrida.outwork.search_indexes (module) derrida.outwork.views (module) derrida.people (module)

derrida.people.models (module) derrida.people.views (module) derrida.places (module) derrida.places.geonames (module) derrida.places.models (module) derrida.places.views (module) DerridaManifestImporter (class in derrida.books.management.commands.import_digitaleds) DerridaWork (class in derrida.books.models) derridawork (derrida.books.models.Reference attribute) (derrida.books.search_indexes.ReferenceIndex attribute) DerridaWork.DoesNotExist DerridaWork.MultipleObjectsReturned derridawork_page (derrida.books.search_indexes.ReferenceIndex attribute) derridawork_pageloc (derrida.books.models.Reference attribute) (derrida.books.search_indexes.ReferenceIndex attribute) derridawork_slug (derrida.books.search_indexes.ReferenceIndex attribute) DerridaWorkSection (class in derrida.books.models) DerridaWorkSection.DoesNotExist DerridaWorkSection.MultipleObjectsReturned digital_edition (derrida.books.models.Instance attribute) (derrida.books.search_indexes.InstanceIndex attribute) digital_edition() (derrida.interventions.models.Intervention property) dimensions (derrida.books.models.Instance attribute) display_title (derrida.books.search_indexes.InstanceIndex attribute) display_title() (derrida.books.models.Instance method) display_title_isort (derrida.books.search_indexes.InstanceIndex attribute)

E

end_page (derrida.books.models.Instance attribute)

end_year (derrida.common.models.DateRange attribute)

F

facet_sort_ignoreaccents() (in module derrida.common.solr_backend) firstname() (derrida.people.models.Person property) firstname_last() (derrida.people.models.Person property) flatten_dict() (derrida.books.management.commands.reference_data.Command method) Footnote (class in derrida.footnotes.models) Footnote.DoesNotExist Footnote.MultipleObjectsReturned footnote_count() (derrida.footnotes.models.Bibliography method) footnotes (derrida.books.models.Instance attribute)

for_annotations() (derrida.interventions.models.TagQuerySet method) for_insertions() (derrida.interventions.models.TagQuerySet method) form_class (derrida.books.views.CanvasSuppress attribute) (derrida.books.views.InstanceListView attribute) (derrida.books.views.ReferenceListView attribute) (derrida.books.views.SearchView attribute) (derrida.interventions.views.InterventionListView attribute) form_valid() (derrida.books.views.CanvasSuppress method) full_citation (derrida.books.models.DerridaWork attribute)

G

generate_base_slug() (derrida.books.models.Instance method) generate_safe_slug() (derrida.books.models.Instance method) geonames_id (derrida.places.models.Place attribute) GeoNamesAPI (class in derrida.places.geonames) GeonamesLookup (class in derrida.places.views) get() (derrida.books.views.CanvasImageByPageNumber method) (derrida.books.views.CanvasSuppress method) (derrida.books.views.ProxyView method) (derrida.books.views.SearchView method) (derrida.interventions.views.InterventionView method) (derrida.places.views.GeonamesLookup method) get_absolute_url() (derrida.books.models.Instance method) (derrida.books.models.Reference method) get_context_data() (derrida.books.views.CanvasDetail method) (derrida.books.views.InstanceListView method) (derrida.books.views.InstanceReferenceDetailView method) (derrida.books.views.InstanceURIView method) (derrida.books.views.ReferenceHistogramView method) (derrida.books.views.ReferenceListView method) (derrida.books.views.SearchView method) (derrida.interventions.views.CanvasDetail method) (derrida.interventions.views.InterventionListView method) get_default_intervener() (in module derrida.interventions.models) get_label() (derrida.places.views.GeonamesLookup method) get_model() (derrida.books.search_indexes.InstanceIndex method) (derrida.books.search_indexes.ReferenceIndex method) (derrida.interventions.search_indexes.InterventionIndex method) (derrida.outwork.search_indexes.OutworkIndex method)

get_object() (derrida.books.views.CanvasDetail method) (derrida.books.views.ReferenceDetailView method) get_proxy_url() (derrida.books.views.CanvasImage method) get_queryset() (derrida.books.views.InstanceDetailView method) (derrida.books.views.InstanceListView method) (derrida.books.views.LanguageAutocomplete method) (derrida.books.views.PublisherAutocomplete method) (derrida.books.views.ReferenceHistogramView method) (derrida.books.views.ReferenceListView method) (derrida.interventions.views.CanvasAutocomplete method) (derrida.interventions.views.InterventionAutocomplete method) (derrida.interventions.views.InterventionListView method) (derrida.interventions.views.TagAutocomplete method) (derrida.outwork.views.OutworkListView method) (derrida.people.views.PersonAutocomplete method) (derrida.places.views.PlaceAutocomplete method) get_redirect_url() (derrida.interventions.views.InterventionView method) get_slug() (derrida.outwork.models.Outwork method) get_template_names() (derrida.books.views.ReferenceDetailView method) get_uri() (derrida.books.models.Instance method) (derrida.books.models.Reference method) (derrida.interventions.models.Intervention method)

H

handle() (derrida.books.management.commands.export_zotero.Command method) (derrida.books.management.commands.import_digitaleds.Command method) (derrida.books.management.commands.reference_data.Command method) (derrida.interventions.management.commands.intervention_data.Command method)

handle_extra_data() (derrida.interventions.models.Intervention method) handle_no_permission() (derrida.interventions.views.LoginPermissionRequired method) handle_save() (derrida.books.signals.RelationSafeRTSP method) has_notes() (derrida.common.models.Notable method) head() (derrida.books.views.ProxyView method)

I

iiif_image_selection() (derrida.interventions.models.Intervention method) images() (derrida.books.models.Instance method) import_manifest() (derrida.books.management.commands.import_digitaleds.DerridaManifestImporter method) index_queryset() (derrida.interventions.search_indexes.InterventionIndex method) info() (derrida.interventions.models.Intervention method) ink (derrida.interventions.search_indexes.InterventionIndex attribute) ink() (derrida.interventions.models.Intervention property) insertion_images() (derrida.books.models.Instance method) Instance (class in derrida.books.models) instance (derrida.books.models.InstanceLanguage attribute) (derrida.books.models.Reference attribute) Instance.DoesNotExist Instance.MultipleObjectsReturned instance_author (derrida.books.search_indexes.ReferenceIndex attribute) instance_author_firstname_last (derrida.books.search_indexes.ReferenceIndex attribute) instance_author_isort (derrida.books.search_indexes.ReferenceIndex attribute) instance_collection_title (derrida.books.search_indexes.ReferenceIndex attribute) instance_copy (derrida.books.search_indexes.ReferenceIndex attribute) instance_copyright_year (derrida.books.search_indexes.ReferenceIndex attribute) instance_count() (derrida.books.models.InstanceCount method) (derrida.books.models.Work method) instance_digital_edition (derrida.books.search_indexes.ReferenceIndex attribute) instance_ids_with_digital_editions() (derrida.books.models.Reference static method) instance_is_annotated (derrida.books.search_indexes.ReferenceIndex attribute) instance_is_extant (derrida.books.search_indexes.ReferenceIndex attribute) instance_language (derrida.books.search_indexes.ReferenceIndex attribute) instance_print_year (derrida.books.search_indexes.ReferenceIndex attribute) instance_slug (derrida.books.search_indexes.ReferenceIndex attribute) instance_slug() (derrida.books.models.Reference property) instance_subject (derrida.books.search_indexes.ReferenceIndex attribute) instance_title (derrida.books.search_indexes.ReferenceIndex attribute) instance_url() (derrida.books.models.Reference property) instance_work_year (derrida.books.search_indexes.ReferenceIndex attribute) InstanceCatalogue (class in derrida.books.models) InstanceCatalogue.DoesNotExist InstanceCatalogue.MultipleObjectsReturned InstanceCount (class in derrida.books.models) InstanceCreator (class in derrida.books.models) InstanceCreator.DoesNotExist InstanceCreator.MultipleObjectsReturned InstanceDetailView (class in derrida.books.views) InstanceIndex (class in derrida.books.search_indexes) InstanceLanguage (class in derrida.books.models) InstanceLanguage.DoesNotExist InstanceLanguage.MultipleObjectsReturned InstanceListView (class in derrida.books.views)

InstanceQuerySet (class in derrida.books.models) InstanceReferenceDetailView (class in derrida.books.views) InstanceURIView (class in derrida.books.views) Intervention (class in derrida.interventions.models) Intervention.DoesNotExist Intervention.MultipleObjectsReturned intervention_data() (derrida.interventions.management.commands.intervention_data.Command method) intervention_type (derrida.interventions.search_indexes.InterventionIndex attribute) INTERVENTION_TYPES (in module derrida.interventions.models) InterventionAutocomplete (class in derrida.interventions.views) InterventionIndex (class in derrida.interventions.search_indexes) InterventionListView (class in derrida.interventions.views) InterventionQuerySet (class in derrida.interventions.models) interventions (derrida.books.models.Reference attribute) (derrida.books.search_indexes.ReferenceIndex attribute) InterventionView (class in derrida.interventions.views) is_annotated (derrida.books.models.Instance attribute) (derrida.books.search_indexes.InstanceIndex attribute) is_annotation() (derrida.interventions.models.Intervention method) is_digitized() (derrida.books.models.Instance method) is_extant (derrida.books.models.Instance attribute) (derrida.books.search_indexes.InstanceIndex attribute) is_insertion() (derrida.interventions.models.Intervention method) is_primary (derrida.books.models.DerridaWork attribute) (derrida.books.models.InstanceLanguage attribute) (derrida.books.models.WorkLanguage attribute) (derrida.books.models.WorkSubject attribute) is_published() (derrida.outwork.models.Outwork method) is_translation (derrida.books.models.Instance attribute) is_verbal() (derrida.interventions.models.Intervention method) item_author_firstname_last (derrida.interventions.search_indexes.InterventionIndex attribute) item_author_isort (derrida.interventions.search_indexes.InterventionIndex attribute) item_copy (derrida.interventions.search_indexes.InterventionIndex attribute) item_copyright_year (derrida.interventions.search_indexes.InterventionIndex attribute) item_count() (derrida.footnotes.models.SourceType method) item_language (derrida.interventions.search_indexes.InterventionIndex attribute) item_print_year (derrida.interventions.search_indexes.InterventionIndex attribute) item_pub_place (derrida.interventions.search_indexes.InterventionIndex attribute) item_slug (derrida.interventions.search_indexes.InterventionIndex attribute) item_subject (derrida.interventions.search_indexes.InterventionIndex attribute) item_title (derrida.interventions.search_indexes.InterventionIndex attribute) item_title_isort (derrida.interventions.search_indexes.InterventionIndex attribute) item_type (derrida.books.search_indexes.InstanceIndex attribute) item_type() (derrida.books.models.Instance property) item_work_language (derrida.interventions.search_indexes.InterventionIndex attribute) item_work_year (derrida.interventions.search_indexes.InterventionIndex attribute)

J

Journal (class in derrida.books.models) journal (derrida.books.models.Instance attribute)

Journal.DoesNotExist Journal.MultipleObjectsReturned

L

Language (class in derrida.books.models) language (derrida.books.models.InstanceLanguage attribute) (derrida.books.models.WorkLanguage attribute) (derrida.books.search_indexes.InstanceIndex attribute) Language.DoesNotExist Language.MultipleObjectsReturned

LanguageAutocomplete (class in derrida.books.views) languages (derrida.books.models.Work attribute) lastname() (derrida.people.models.Person property) latitude (derrida.places.models.Place attribute) location() (derrida.books.models.Instance property) LoginPermissionRequired (class in derrida.interventions.views) longitude (derrida.places.models.Place attribute)

M

ManifestDetail (class in derrida.interventions.views) ManifestList (class in derrida.interventions.views) model (derrida.books.views.CanvasDetail attribute) (derrida.books.views.InstanceDetailView attribute) (derrida.books.views.InstanceListView attribute) (derrida.books.views.InstanceURIView attribute) (derrida.books.views.ReferenceDetailView attribute) (derrida.books.views.ReferenceHistogramView attribute) (derrida.books.views.ReferenceListView attribute) (derrida.interventions.views.InterventionListView attribute) (derrida.outwork.views.OutworkListView attribute)

N

name (derrida.common.models.Named attribute) Named (class in derrida.common.models)

Notable (class in derrida.common.models) notes (derrida.common.models.Notable attribute)

O

order_by_author() (derrida.books.models.ReferenceQuerySet method) order_by_source_page() (derrida.books.models.ReferenceQuerySet method) original_language (derrida.books.search_indexes.ReferenceIndex attribute) Outwork (class in derrida.outwork.models) Outwork.DoesNotExist Outwork.MultipleObjectsReturned OutworkIndex (class in derrida.outwork.search_indexes)

OutworkListView (class in derrida.outwork.views) overview_images() (derrida.books.models.Instance method) overview_labels (derrida.books.models.Instance attribute) owning_institutions (derrida.books.models.Instance attribute) OwningInstitution (class in derrida.books.models) OwningInstitution.DoesNotExist OwningInstitution.MultipleObjectsReturned

P

page_canvas_id (derrida.books.search_indexes.ReferenceIndex attribute) Person (class in derrida.people.models) Person.DoesNotExist Person.MultipleObjectsReturned PersonAutocomplete (class in derrida.people.views) PersonBook (class in derrida.books.models) PersonBook.DoesNotExist PersonBook.MultipleObjectsReturned PersonBookRelationshipType (class in derrida.books.models) PersonBookRelationshipType.DoesNotExist PersonBookRelationshipType.MultipleObjectsReturned Place (class in derrida.places.models) place (derrida.books.models.OwningInstitution attribute) Place.DoesNotExist Place.MultipleObjectsReturned PlaceAutocomplete (class in derrida.places.views) post_process_facets() (derrida.common.solr_backend.RangeSolrSearchQuery method) prepare_annotation_author() (derrida.interventions.search_indexes.InterventionIndex method) prepare_author_isort() (derrida.books.search_indexes.InstanceIndex method) prepare_book_page_sort() (derrida.books.search_indexes.ReferenceIndex method)

prepare_cited_in() (derrida.books.search_indexes.InstanceIndex method) prepare_corresponding_intervention() (derrida.books.search_indexes.ReferenceIndex method) prepare_instance_author_isort() (derrida.books.search_indexes.ReferenceIndex method) prepare_instance_language() (derrida.books.search_indexes.ReferenceIndex method) prepare_page_canvas_id() (derrida.books.search_indexes.ReferenceIndex method) primary_language() (derrida.books.models.Instance method) primary_title (derrida.books.models.Work attribute) print_date (derrida.books.models.Instance attribute) print_date_day_known (derrida.books.models.Instance attribute) print_date_month_known (derrida.books.models.Instance attribute) print_date_year_known (derrida.books.models.Instance attribute) print_year (derrida.books.search_indexes.InstanceIndex attribute) print_year() (derrida.books.models.Instance method) ProxyView (class in derrida.books.views) pub_place (derrida.books.models.Instance attribute) (derrida.books.search_indexes.InstanceIndex attribute) Publisher (class in derrida.books.models) publisher (derrida.books.models.Instance attribute) Publisher.DoesNotExist Publisher.MultipleObjectsReturned PublisherAutocomplete (class in derrida.books.views)

Q

quote_language (derrida.interventions.models.Intervention attribute)

R

RangeSolrSearchQuery (class in derrida.common.solr_backend) Reference (class in derrida.books.models) Reference.DoesNotExist Reference.MultipleObjectsReturned reference_data() (derrida.books.management.commands.reference_data.Command method) reference_type (derrida.books.models.Reference attribute) (derrida.books.search_indexes.ReferenceIndex attribute) ReferenceDetailView (class in derrida.books.views) ReferenceHistogramView (class in derrida.books.views) ReferenceIndex (class in derrida.books.search_indexes) ReferenceListView (class in derrida.books.views) ReferenceQuerySet (class in derrida.books.models) ReferenceType (class in derrida.books.models)

ReferenceType.DoesNotExist ReferenceType.MultipleObjectsReturned related_instances() (derrida.books.models.Instance property) RelationSafeRTSP (class in derrida.books.signals) Relationship (class in derrida.people.models) Relationship.DoesNotExist Relationship.MultipleObjectsReturned RelationshipType (class in derrida.people.models) RelationshipType.DoesNotExist RelationshipType.MultipleObjectsReturned Residence (class in derrida.people.models) Residence.DoesNotExist Residence.MultipleObjectsReturned

S

save() (derrida.books.models.Instance method) (derrida.interventions.models.Intervention method) (derrida.people.models.Person method) search() (derrida.places.geonames.GeoNamesAPI method) SearchView (class in derrida.books.views) set_birth_death_years() (derrida.people.models.Person method) setup() (derrida.books.signals.RelationSafeRTSP method) short_name (derrida.books.models.OwningInstitution attribute) short_title (derrida.books.models.DerridaWork attribute) (derrida.books.models.Work attribute) slug (derrida.books.models.DerridaWork attribute) (derrida.books.search_indexes.InstanceIndex attribute) SolrRangeSearchBackend (class in derrida.common.solr_backend) sorted_by_page_loc() (derrida.interventions.models.InterventionQuerySet method)

SourceType (class in derrida.footnotes.models) SourceType.DoesNotExist SourceType.MultipleObjectsReturned start_page (derrida.books.models.Instance attribute) start_year (derrida.common.models.DateRange attribute) Subject (class in derrida.books.models) subject (derrida.books.models.WorkSubject attribute) (derrida.books.search_indexes.InstanceIndex attribute) Subject.DoesNotExist Subject.MultipleObjectsReturned subjects (derrida.books.models.Work attribute) summary_values() (derrida.books.models.ReferenceQuerySet method) suppress_all_images (derrida.books.models.Instance attribute) suppressed_images (derrida.books.models.Instance attribute)

T

Tag (class in derrida.interventions.models) Tag.DoesNotExist Tag.MultipleObjectsReturned TagAutocomplete (class in derrida.interventions.views) TagQuerySet (class in derrida.interventions.models)

tags (derrida.interventions.models.Intervention attribute) teardown() (derrida.books.signals.RelationSafeRTSP method) text_language (derrida.interventions.models.Intervention attribute) text_translation (derrida.interventions.models.Intervention attribute) thumbnail (derrida.interventions.search_indexes.InterventionIndex attribute)

U

uri (derrida.books.models.Instance attribute) (derrida.books.models.Language attribute) (derrida.books.models.Subject attribute) (derrida.books.models.Work attribute)

uri_from_id() (derrida.places.geonames.GeoNamesAPI class method)

V

v_normal (derrida.books.management.commands.export_zotero.Command attribute)

verbosity (derrida.books.management.commands.export_zotero.Command attribute) viaf() (derrida.people.models.Person property)

W

with_digital_eds() (derrida.books.models.InstanceQuerySet method) Work (class in derrida.books.models) work (derrida.books.models.Instance attribute) (derrida.books.models.WorkLanguage attribute) (derrida.books.models.WorkSubject attribute) Work.DoesNotExist Work.MultipleObjectsReturned work_count() (derrida.books.models.WorkCount method) work_instance() (derrida.interventions.models.Intervention property)

work_language (derrida.books.search_indexes.InstanceIndex attribute) work_year (derrida.books.search_indexes.InstanceIndex attribute) WorkCount (class in derrida.books.models) WorkLanguage (class in derrida.books.models) WorkLanguage.DoesNotExist WorkLanguage.MultipleObjectsReturned WorkSubject (class in derrida.books.models) WorkSubject.DoesNotExist WorkSubject.MultipleObjectsReturned

Y

year (derrida.books.models.Work attribute) (derrida.books.search_indexes.InstanceIndex attribute)

year() (derrida.books.models.Instance property)

Z

zotero_id (derrida.books.models.DerridaWork attribute) (derrida.books.models.Instance attribute)

zotero_template_by_itemtype (derrida.books.models.Instance attribute)