Property talk:P1938

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Project Gutenberg author ID
author identifier at Project Gutenberg

Description	Author identifier at Project Gutenberg (Q22673) (www.gutenberg.org)
Represents	Project Gutenberg (Q22673)
Associated item	Project Gutenberg (Q22673)
Applicable "stated in" value	Project Gutenberg (Q22673)
Data type	External identifier
Domain	According to this template: People, possibly groups, companies etc. According to statements in the property: human (Q5) or pseudonym (Q61002) When possible, data should only be stored as statements
Allowed values	[1-9][0-9]{0,4} (numeric string, 1 to 5 digits)
Example	David Christie Murray (Q16031468) → 25179 (RDF) Hector Berlioz (Q1151) → 31953 (RDF)
Source	External links section on Wikipedia; Project Gutenberg (note: this information should be moved to a property statement; use property source website for the property (P1896))
Formatter URL	https://www.gutenberg.org/ebooks/author/$1
Tracking: same	no label (Q27218067)
Tracking: differences	no label (Q27218070)
Tracking: usage	Category:Pages using Wikidata property P1938 (Q27218073)
Tracking: local yes, WD no	no label (Q27218069)
See also	Project Gutenberg ebook ID (P2034), Aozora Bunko author ID (P7311)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history Chart by item creation date Mix'n'match (Report) Database reports/Humans with missing claims/P1938 Database reports/Constraint violations/P1938 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 17,186 Main statement 14,575 84.8% of uses Qualifier 2 <0.1% of uses Reference 2,609 15.2% of uses
Search for values

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Format “[1-9][0-9]{0,4}”: value must be formatted using this pattern (PCRE syntax). (Help) List of this constraint violations: Database reports/Constraint violations/P1938#Format, hourly updated report, SPARQL, SPARQL (new)

Single value: this property generally contains a single value. (Help) Exceptions are possible as rare values may exist. Known exceptions: Frederic Shoberl (Q5497135), Peter Ditchfield (Q7173680) List of this constraint violations: Database reports/Constraint violations/P1938#Single value, SPARQL, SPARQL (new)

Distinct values: this property likely contains a value that is different from all other items. (Help) List of this constraint violations: Database reports/Constraint violations/P1938#Unique value, hourly updated report, SPARQL (every item), SPARQL (by value), SPARQL (new)

Type “human (Q5), pseudonym (Q61002)”: element must contain property “instance of (P31)” with classes “human (Q5), pseudonym (Q61002)” or their subclasses (defined using subclass of (P279)). (Help) Exceptions are possible as rare values may exist. Known exceptions: United States Department of the Interior (Q608427), United States Copyright Office (Q1784058), National Park Service (Q308439), United States Census Bureau (Q637413), Library of Congress (Q131454) List of this constraint violations: Database reports/Constraint violations/P1938#type Q5, Q61002, SPARQL, SPARQL (new)

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help) List of this constraint violations: Database reports/Constraint violations/P1938#scope, hourly updated report, SPARQL, SPARQL (new)

Item “instance of (P31)”: Items with this property should also have “instance of (P31)”. (Help) List of this constraint violations: Database reports/Constraint violations/P1938#Item P31, hourly updated report, search, SPARQL, SPARQL (new)

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help) Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P1938#allowed entity types, SPARQL (new)

This property is being used by: it:Template:Gutenberg autore; it:Template:Collegamenti esterni la:Formula:Fontes biographici s:ru:Шаблон:Внешние ссылки sk:Šablóna:Infobox Filozof, sk:Šablóna:Infobox Generálny tajomník OSN, sk:Šablóna:Infobox Osobnosť, sk:Šablóna:Infobox Panovník, sk:Šablóna:Infobox Profesionálny wrestler, sk:Šablóna:Infobox Rehoľníčka, sk:Šablóna:Infobox Snookerista, sk:Šablóna:Infobox Spisovateľ, sk:Šablóna:Infobox Svätec, sk:Šablóna:Infobox Vedec, sk:Šablóna:Infobox Rehoľník es:Plantilla:Gutenberg autor Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)