Property talk:P272

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IdRef ID
identifier for authority control in the French collaborative library catalog . Format: 8 digits followed by a digit or "X"

Has quality	VIAF component (Q593)
Data type	External identifier
Allowed values	(\d{8}[\dX]|)
Source	https://www.idref.fr/
Formatter URL	https://www.idref.fr/$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 Random list
Proposal discussion	Originally created without a formal discussion
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Format “(\d{8}[\dX]|)”: value must be formatted using this pattern (PCRE syntax). Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P272#Format, SPARQL