As of 2022-03-07, the Wikidata property Harper's author ID (P6784) is used on 132 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
P7859 WorldCat Identities ID 120
0.0001
P214 VIAF ID 120
0.0000
P244 Library of Congress authority ID 115
0.0001
P646 Freebase ID 114
0.0000
P213 ISNI 111
0.0001
P2163 FAST ID 86
0.0002
P3430 SNAC ARK ID 72
0.0005
P1006 Nationale Thesaurus voor Auteurs ID 71
0.0001
P269 IdRef ID 68
0.0001
P1207 NUKAT ID 62
0.0001
P648 Open Library ID 55
0.0002
P227 GND ID 51
0.0000
P268 Bibliothèque nationale de France ID 48
0.0001
P3368 Prabook ID 39
0.0002
P7293 PLWABN ID 36
0.0001
P691 NKCR AUT ID 34
0.0001
P8189 National Library of Israel J9U ID 30
0.0002
P7704 Europeana entity 26
0.0002
P6594 Guggenheim fellows ID 25
0.0015
P3762 openMLOL author ID 24
0.0004
P1315 NLA Trove people ID 24
0.0002
P949 National Library of Israel ID 23
0.0003
P345 IMDb ID 23
0.0000
P1938 Project Gutenberg author ID 22
0.0014
P3987 SHARE Catalogue author ID 22
0.0001
P1015 NORAF ID 21
0.0001
P1233 Internet Speculative Fiction Database author ID 19
0.0007
P409 Libraries Australia ID 19
0.0003
P950 Biblioteca Nacional de España ID 18
0.0001
P5034 National Library of Korea ID 17
0.0003
P349 National Diet Library ID 17
0.0001
P8902 Archives at Yale names ID 16
0.0010
P4629 Online Books Page author ID 16
0.0010
P4823 American National Biography ID 14
0.0007
P9097 American Academy in Rome ID 14
0.0004
P271 CiNii author ID (books) 14
0.0002
P535 Find a Grave memorial ID 14
0.0001
P1899 LibriVox author ID 13
0.0020
P2963 Goodreads author ID 13
0.0006
P5361 BNB person ID 13
0.0003
P1417 Encyclopædia Britannica Online ID 13
0.0001
P7902 Deutsche Biographie (GND) ID 13
0.0000
P2671 Google Knowledge Graph ID 13
0.0000
P4985 TMDb person ID 12
0.0001
P2734 Unz Review author ID 11
0.0008
P3348 National Library of Greece ID 11
0.0003
P1280 CONOR.SI ID 11
0.0001
P8179 Canadiana Name Authority ID 10
0.0002
P906 SELIBR ID 10
0.0001
P245 Union List of Artist Names ID 10
0.0001

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P5394 Poets & Writers author ID 4
0.0061
P6791 The Atlantic author ID 2
0.0052
P9484 J! Archive player ID 1
0.0047
P8297 New York Times contributor ID 1
0.0038
P9938 Densho Encyclopedia ID 1
0.0038
P5414 The Paris Review interviewee ID 2
0.0037
P5343 Poets.org poet ID 6
0.0027
P5503 Poetry Society of America poet ID 2
0.0026
P5469 Mormon Literature and Creative Arts Database artist ID 2
0.0025
P5502 LRB contributor ID 4
0.0024
P1899 LibriVox author ID 13
0.0020
P5376 Medicina author ID 1
0.0018
P5705 Los Angeles Review of Books author ID 2
0.0016
P5341 Poetry Foundation ID 5
0.0016
P5392 Poetry Archive poet ID 1
0.0016
P6594 Guggenheim fellows ID 25
0.0015
P5377 Étonnants voyageurs participant ID 1
0.0015
P1938 Project Gutenberg author ID 22
0.0014
P2431 Thyssen-Bornemisza artist ID 1
0.0014
P10006 AllSides ID 1
0.0013
P5419 NYRB contributor ID 2
0.0013
P6016 Tennessee Encyclopedia ID 1
0.0013
P6005 Muck Rack journalist ID 7
0.0011
P7433 FantLab author ID 2
0.0011
P8783 AAGM person or institution ID 2
0.0011
P8669 Encyclopaedia Beliana ID 1
0.0011
P8902 Archives at Yale names ID 16
0.0010
P3021 Iranica ID 1
0.0010
P7545 askArt person ID 1
0.0010
P4629 Online Books Page author ID 16
0.0010
P4175 Patreon ID 1
0.0009
P2011 Cooper-Hewitt Person ID 2
0.0009
P9247 Pontifical University of Salamanca ID 6
0.0009
P2734 Unz Review author ID 11
0.0008
P5714 Tor.com author ID 1
0.0008
P3475 SANU member ID 1
0.0008
P1564 At the Circulating Library ID 2
0.0008
P7695 e-WV: The West Virginia Encyclopedia ID 1
0.0007
P1233 Internet Speculative Fiction Database author ID 19
0.0007
P4823 American National Biography ID 14
0.0007
P9880 Festivaletteratura person ID 1
0.0007
P5357 The Encyclopedia of Science Fiction ID 9
0.0007
P4759 Luminous-Lint ID 3
0.0007
P6714 Whitney Museum of American Art artist ID 2
0.0007
P2914 MSBI person ID 1
0.0006
P2963 Goodreads author ID 13
0.0006
P6804 Art Gallery of South Australia creator ID 2
0.0006
P3603 Minneapolis Institute of Art constituent ID 3
0.0006
P7685 CALS Encyclopedia of Arkansas ID 1
0.0006
P9626 Biographical Encyclopedia of Astronomers ID 1
0.0006