Property talk:P306

Documentation

• Start a query
• Current uses
• Statistics by class
• String length
• List of qualifiers
• Count

SBN author ID
identifier issued by National Library Service (SBN) of Italy

Has quality	VIAF component (Q593)
Data type	External identifier
Domain	human (Q4), organization (Q12) or group of humans (Q13)
Allowed values	IT\\ICCU\\(\d{10}|\D\D[\D\d]\D\\\d{6})
Source	https://opac.sbn.it/opacsbn/opac/iccu/authority.jsp
Formatter URL	https://opac.sbn.it/opacsbn/opac/iccu/scheda_authority.jsp?bid=$1
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 Gratispaideia Items with the fewest sitelinks Most linked wikis 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 (total)> <usage history (main statement)> <Map of people by place values:> place of birth educated at work location residence place of death place of burial <January 1st dates> <People with date of birth on January 1> <People with date of death on January 1> <People with both dates on January 1> Mix'n'match (Report) Map Random list
Proposal discussion	Originally created without a formal discussion
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Single value: this property generally contains a single value. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P306#Single value, SPARQL

Allowed entity types are Wikibase item datatype (Q799): the property may only be used on a certain entity type Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P306#allowed entity types

Scope is as main value (Q793), as reference (Q780): the property must be used by specified way only Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P306#scope, SPARQL