As of 2022-03-07, the Wikidata property NRHP reference number (P649) is used on 72,261 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
P646 Freebase ID 45,183
 0.0102
P5383 archINFORM project ID 25,007
 0.2929
P2671 Google Knowledge Graph ID 14,504
 0.0020
P1566 GeoNames ID 3,899
 0.0010
P214 VIAF ID 3,369
 0.0012
P8132 Texas Historic Sites Atlas ID 3,071
 0.0407
P7618 Virginia Landmarks Register ID 2,775
 0.0384
P7859 WorldCat Identities ID 2,761
 0.0014
P244 Library of Congress authority ID 2,569
 0.0018
P8655 LoC HABS/HAER/HALS place ID 2,495
 0.0341
P590 GNIS ID 2,124
 0.0030
P2581 BabelNet ID 1,499
 0.0105
P1381 bridgehunter.com ID 1,304
 0.0178
P3676 National Bridge Inventory Number 978
 0.0133
P6012 California Office of Historic Preservation ID 956
 0.0132
P7772 Atlas Obscura identifier 922
 0.0116
P2025 Find A Grave cemetery ID 837
 0.0101
P1380 BridgeReports.com ID 834
 0.0114
P3417 Quora topic ID 802
 0.0031
P3518 Smithsonian trinomial 682
 0.0094
P213 ISNI 669
 0.0005
P2971 GCatholic church ID 602
 0.0072
P454 Structurae structure ID 593
 0.0067
P4129 Cinema Treasures ID 592
 0.0049
P1417 Encyclopædia Britannica Online ID 529
 0.0022
P8226 Wyoming SHPO ID 525
 0.0073
P6766 Who's on First ID 513
 0.0008
P8246 Natural Atlas ID 497
 0.0067
P3500 Ringgold ID 496
 0.0030
P6473 NMSRCP reference number 481
 0.0067
P2980 ARLHS lighthouse ID 471
 0.0062
P8249 MDAH's HRI ID 422
 0.0058
P3723 USCG lighthouse ID 400
 0.0055
P2013 Facebook ID 382
 0.0013
P8588 Wisconsin National or State Registers Record ID 376
 0.0052
P2002 Twitter username 366
 0.0010
P3601 MarineTraffic Lighthouse ID 343
 0.0046
P2427 GRID ID 321
 0.0018
P6782 ROR ID 320
 0.0018
P3749 Google Maps Customer ID 317
 0.0027
P1004 MusicBrainz place ID 294
 0.0037
P8177 Oregon Historic Sites Database ID 293
 0.0041
P8617 Historic Montana ID 290
 0.0040
P3562 Admiralty number 279
 0.0036
P4839 Wolfram Language entity code 271
 0.0010
P8158 History Colorado ID 267
 0.0037
P7471 iNaturalist place ID 257
 0.0021
P3609 Recreation.gov gateway ID 252
 0.0034
P3134 TripAdvisor ID 248
 0.0029
P4083 Park Alpha Code 237
 0.0033

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P5383 archINFORM project ID 25,007
 0.2929
P8132 Texas Historic Sites Atlas ID 3,071
 0.0407
P7618 Virginia Landmarks Register ID 2,775
 0.0384
P8655 LoC HABS/HAER/HALS place ID 2,495
 0.0341
P1381 bridgehunter.com ID 1,304
 0.0178
P3676 National Bridge Inventory Number 978
 0.0133
P6012 California Office of Historic Preservation ID 956
 0.0132
P7772 Atlas Obscura identifier 922
 0.0116
P1380 BridgeReports.com ID 834
 0.0114
P2581 BabelNet ID 1,499
 0.0105
P646 Freebase ID 45,183
 0.0102
P2025 Find A Grave cemetery ID 837
 0.0101
P3518 Smithsonian trinomial 682
 0.0094
P8226 Wyoming SHPO ID 525
 0.0073
P2971 GCatholic church ID 602
 0.0072
P454 Structurae structure ID 593
 0.0067
P8246 Natural Atlas ID 497
 0.0067
P6473 NMSRCP reference number 481
 0.0067
P2980 ARLHS lighthouse ID 471
 0.0062
P8249 MDAH's HRI ID 422
 0.0058
P3723 USCG lighthouse ID 400
 0.0055
P8588 Wisconsin National or State Registers Record ID 376
 0.0052
P4129 Cinema Treasures ID 592
 0.0049
P3601 MarineTraffic Lighthouse ID 343
 0.0046
P8177 Oregon Historic Sites Database ID 293
 0.0041
P8617 Historic Montana ID 290
 0.0040
P1004 MusicBrainz place ID 294
 0.0037
P8158 History Colorado ID 267
 0.0037
P3562 Admiralty number 279
 0.0036
P3609 Recreation.gov gateway ID 252
 0.0034
P4083 Park Alpha Code 237
 0.0033
P3516 National Park Foundation ID 232
 0.0032
P7129 PEPC park ID 231
 0.0032
P3515 NPCA ID 230
 0.0032
P3417 Quora topic ID 802
 0.0031
P8649 National Park Service place ID 223
 0.0031
P8616 Kansas Historic Resources Inventory ID 217
 0.0030
P8239 MACRIS ID 217
 0.0030
P3500 Ringgold ID 496
 0.0030
P590 GNIS ID 2,124
 0.0030
P3134 TripAdvisor ID 248
 0.0029
P3749 Google Maps Customer ID 317
 0.0027
P1305 CTBUH Skyscraper Center building ID 181
 0.0024
P5827 National Trust for Historic Preservation ID 168
 0.0023
P2484 NCES school ID 188
 0.0022
P8463 SAH Archipedia building ID 161
 0.0022
P1417 Encyclopædia Britannica Online ID 529
 0.0022
P7471 iNaturalist place ID 257
 0.0021
P455 Emporis building ID 154
 0.0020
P2671 Google Knowledge Graph ID 14,504
 0.0020