As of 2022-03-07, the Wikidata property Price One Penny library ID (P9623) is used on 334 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P214 VIAF ID 177
0.0001
P244 Library of Congress authority ID 172
0.0001
P7859 WorldCat Identities ID 172
0.0001
P213 ISNI 125
0.0001
P4848 Libraries.org ID 120
0.0304
P646 Freebase ID 109
0.0000
P227 GND ID 83
0.0001
P3642 ARCHON code 80
0.0269
P2002 Twitter username 76
0.0002
P691 NKCR AUT ID 72
0.0002
P268 Bibliothèque nationale de France ID 67
0.0001
P269 IdRef ID 63
0.0001
P3500 Ringgold ID 57
0.0006
P9756 Schoenberg Database of Manuscripts name ID 50
0.0051
P3417 Quora topic ID 49
0.0003
P409 Libraries Australia ID 47
0.0007
P791 ISIL 46
0.0022
P2013 Facebook ID 46
0.0002
P6782 ROR ID 44
0.0004
P2427 GRID ID 44
0.0004
P8189 National Library of Israel J9U ID 42
0.0002
P6698 Japan Search name ID 39
0.0020
P2003 Instagram username 39
0.0003
P2397 YouTube channel ID 37
0.0006
P8034 Vatican Library VcBA ID 34
0.0003
P1017 Vatican Library ID (former scheme) 33
0.0005
P1207 NUKAT ID 32
0.0001
P2037 GitHub username 29
0.0037
P245 Union List of Artist Names ID 28
0.0003
P2671 Google Knowledge Graph ID 27
0.0000
P1015 NORAF ID 26
0.0002
P949 National Library of Israel ID 24
0.0003
P1315 NLA Trove people ID 24
0.0002
P3987 SHARE Catalogue author ID 23
0.0001
P6366 Microsoft Academic ID 22
0.0001
P2163 FAST ID 22
0.0001
P1566 GeoNames ID 22
0.0000
P1870 Name Assigning Authority Number 21
0.0213
P5505 WorldCat Registry ID 20
0.0243
P7846 Beta maṣāḥǝft ID 20
0.0207
P1005 Portuguese National Library ID 20
0.0004
P950 Biblioteca Nacional de España ID 20
0.0001
P2581 BabelNet ID 19
0.0003
P1417 Encyclopædia Britannica Online ID 19
0.0001
P1273 CANTIC ID (old) 17
0.0003
P9984 CANTIC ID 17
0.0003
P3430 SNAC ARK ID 16
0.0001
P8562 JSTOR publisher ID 15
0.0152
P4007 DBS ID 15
0.0044
P6683 Alexander Turnbull Library ID 15
0.0010

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P3234 Code List for Cultural Heritage Organizations 14
0.0326
P4848 Libraries.org ID 120
0.0304
P3642 ARCHON code 80
0.0269
P5505 WorldCat Registry ID 20
0.0243
P1870 Name Assigning Authority Number 21
0.0213
P7846 Beta maṣāḥǝft ID 20
0.0207
P8272 BaGLAMa GID 9
0.0159
P8562 JSTOR publisher ID 15
0.0152
P8838 LibraryThing venue ID 5
0.0113
P8861 FINA Wiki ID 14
0.0102
P6329 Share-VDE author ID 6
0.0077
P4272 DPLA subject term 6
0.0072
P4702 Google Arts & Culture partner ID 11
0.0067
P5181 Relationship Science organization ID 3
0.0063
P3267 Flickr user ID 13
0.0058
P4801 LoC and MARC vocabularies ID 8
0.0053
P7028 National Library of Luxembourg ID 3
0.0053
P9756 Schoenberg Database of Manuscripts name ID 50
0.0051
P7403 Publons publisher ID 5
0.0051
P8501 Gateway to Research organisation ID 3
0.0050
P4146 Athenaeum museum ID 9
0.0047
P4037 South Australian Heritage Register Database ID 2
0.0045
P4007 DBS ID 15
0.0044
P8723 American Heritage place ID 2
0.0039
P2037 GitHub username 29
0.0037
P9434 Proveana ID 3
0.0036
P8060 Glassdoor company ID 3
0.0035
P8828 AAA attraction ID 2
0.0035
P3977 Songkick venue ID 8
0.0034
P1662 DOI prefix 7
0.0033
P8527 Unsplash user ID 1
0.0029
P3108 Yelp ID 8
0.0029
P10195 Library of Congress providers ID 1
0.0029
P8630 Thomas Jefferson Encyclopedia ID 1
0.0029
P6155 Sotheby's Museum Network ID 5
0.0028
P4161 Michelin Voyages ID 2
0.0027
P10068 SEEK company ID 2
0.0027
P1602 Art UK venue ID 6
0.0026
P6334 Agence photo RMN package ID 1
0.0025
P6490 Patrimonio Digital de Castilla-La Mancha authority ID 1
0.0025
P5432 setlist.fm venue ID 4
0.0024
P4871 GEPRIS organization ID 1
0.0024
P3847 Open Library subject ID 8
0.0024
P4881 Maison d'écrivain ID 1
0.0023
P7860 word in DPEJ of RAE ID 1
0.0023
P2666 Datahub page 1
0.0022
P791 ISIL 46
0.0022
P5747 CWA writer ID 1
0.0022
P3759 SAHRA heritage site ID 1
0.0021
P9374 ODLIS ID 1
0.0021