Updates from recent years can be found below. Older updates can be accessed from the Internet Archive Wayback Machine or the OCLC digital archive.
Authority records for 20241110
Authority records for 20241103
Authority records for 20241027
Authority records for 20241020
Authority records for 20241013
Authority records for 20241006
Authority records for 20240929
Authority records for 20240922
Authority records for 20240915
Authority records for 20240908
Authority records for 20240901
Authority records for 20240825
Authority records for 20240818
Authority records for 20240811
Authority records for 20240804
Authority records for 20240728
Authority records for 20240721
Authority records for 20240714
Authority records for 20240707
Authority records for 20240630
Authority records for 20240623
Authority records for 20240616
Authority records for 20240609
Authority records for 20240602
Authority records for 20240526
Authority records for 20240519
Authority records for 20240512
Authority records for 20240505
Authority records for 20240428
Authority records for 20240421
Authority records for 20240414
Authority records for 20240407
Authority records for 20240331
Authority records for 20240324
Authority records for 20240317
Authority records for 20240310
Authority records for 20240303
Authority records for 20240225
Authority records for 20240218
Authority records for 20240211
Authority records for 20240204
Authority records for 20240128
Authority records for 20240121
Authority records for 20240114
Authority records for 20240107
Authority records for 20231231
Authority records for 20231224
Authority records for 20231217
Authority records for 20231210
Authority records for 20231203
Authority records for 20231126
Authority records for 20231119
Authority records for 20231112
Authority records for 20231105
Authority records for 20231029
Authority records for 20231022
Authority records for 20231015
Authority records for 20231009
Authority records for 20230917
Authority records for 20230910
Authority records for 20230903
Authority records for 20230827
Authority records for 20230820
Authority records for 20230813
Authority records for 20230806
Authority records for 20230730
Authority records for 20230723
Authority records for 20230716
Authority records for 20230709
Authority records for 20230702
Authority records for 20230625
Authority records for 20230618
Authority records for 20230611
Authority records for 20230604
Authority records for 20230528
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Authority records for 20230430
Authority records for 20230423
Authority records for 20230416
Authority records for 20230409
Authority records for 20230402
Authority records for 20230326
Authority records for 20230319
Authority records for 20230312
Authority records for 20230305
Authority records for 20230226
Authority records for 20230219
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Authority records for 20230205
Authority records for 20230129
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Authority records for 20230108
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Authority records for 20221225
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Authority records for 20221204
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Authority records for 20221120
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Authority records for 20221106
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Authority records for 20221016
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Authority records for 20220619
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Authority records for 20220417
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Authority records for 20220320
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Authority records for 20220306
Authority records for 20220227
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Authority records for 20220213
Authority records for 20220206
Authority records for 20220130
Authority records for 20220123
Authority records for 20220109
Authority records for 20220102
Authority records for 20211226
Authority records for 20211219
Authority records for 20211212
Authority records for 20211205
Authority records for 20211128
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Authority records for 20210926
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Authority records for 20210808
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Authority records for 20210704
Authority records for 20210627
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Authority records for 20210613
Authority records for 20210606
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Authority records for 20210523
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Authority records for 20210509
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Authority records for 20210425
Authority records for 20210418
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Authority records for 20210404
Authority records for 20210328
Authority records for 20210321
Authority records for 20210314
Authority records for 20210307
Authority records for 20210228
Authority records for 20210221
Authority records for 20210214
Authority records for 20210207
Authority records for 20210131
Authority records for 20210124
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Authority records for 20210110
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Authority records for 20201227
Authority records for 20201220
Authority records for 20201213
Authority records for 20201206
Authority records for 20201129
Authority records for 20201122
Authority records for 20201115
Authority records for 20201108
Authority records for 20201101
Authority records for 20201025
Authority records for 20201018
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Authority records for 20201004
Authority records for 20200927
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Authority records for 20200906
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Authority records for 20200223
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Authority records for 20200209
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Authority records for 20200126
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Authority records for 20200105
Authority records for 20191229
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Authority records for 20191208
Authority records for 20191201
Authority records for 20191124
Authority records for 20191117
Authority records for 20191110
Authority records for 20191103
Authority records for 20191027
Authority records for 20191020
Authority records for 20191013
Authority records for 20191006
Authority records for 20190929
Authority records for 20190922
Authority records for 20190915
Authority records for 20190908
Authority records for 20190901
Authority records for 20190825
Authority records for 20190818
Authority records for 20190811
Authority records for 20190804
Authority records for 20190728
Authority records for 20190721
Authority records for 20190714
Authority records for 20190707
Authority records for 20190630
Authority records for 20190623
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Authority records for 20190609
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Authority records for 20190526
Authority records for 20190519
Authority records for 20190505
Authority records for 20190428
Authority records for 20190421
Authority records for 20190414
Authority records for 20190407
Authority records for 20190331
Authority records for 20190324
Authority records for 20190317
Authority records for 20190310
Authority records for 20190303
Authority records for 20190224
Authority records for 20190217
Authority records for 20190210
Authority records for 20190203
Authority records for 20190127
Authority records for 20190120
Authority records for 20190113
Authority records for 20190106
Authority records for 20181230
Authority records for 20181223
Authority records for 20181216
Authority records for 20181209
Authority records for 20181202
Authority records for 20181125
Authority records for 20181118
Authority records for 20181111
Authority records for 20181104
Authority records for 20181028
Authority records for 20181021
Authority records for 20181014
Authority records for 20181007
Authority records for 20180930
Authority records for 20180923
Authority records for 20180916
Authority records for 20180909
Authority records for 20180902
Authority records for 20180826
Authority records for 20180819
Authority records for 20180812
Authority records for 20180805
Authority records for 20180729
Authority records for 20180722
Authority records for 20180715
Authority records for 20180708
Authority records for 20180701
Authority records for 20180617
Authority records for 20180610
Authority records for 20180603
Authority records for 20180527
Authority records for 20180520
Authority records for 20180513
Authority records for 20180506
Authority records for 20180429
Authority records for 20180422
Authority records for 20180415
Authority records for 20180408
Authority records for 20180401
Authority records for 20180325
Authority records for 20180318
Authority records for 20180311
Authority records for 20180304
Authority records for 20180225
Authority records for 20180218
Authority records for 20180211
Authority records for 20180204
Authority records for 20180128
Authority records for 20180121
Authority records for 20180114
Authority records for 20180107
Authority records for 20171231
Authority records for 20171224
Authority records for 20171217
Authority records for 20171210
Authority records for 20171203
Authority records for 20171126
Authority records for 20171119
Authority records for 20171112
Authority records for 20171105
Authority records for 20171029
Authority records for 20171022
Authority records for 20171015
Authority records for 20171008
Authority records for 20171001
Authority records for 20170924
Authority records for 20170917
Authority records for 20170910
Authority records for 20170903
Authority records for 20170827
Authority records for 20170820
Authority records for 20170813
Authority records for 20170806
Authority records for 20170730
Authority records for 20170723
Authority records for 20170716
Authority records for 20170709
Authority records for 20170702
Authority records for 20170625
Authority records for 20170618
Authority records for 20170611
Authority records for 20170604
Authority records for 20170528
Authority records for 20170521
Authority records for 20170514
Authority records for 20170507
Authority records for 20170430
Authority records for 20170423
Authority records for 20170416
Authority records for 20170409
Authority records for 20170402
Authority records for 20170326
Authority records for 20170319
Authority records for 20170312
Authority records for 20170305
Authority records for 20170226
Authority records for 20170219
Authority records for 20170212
Authority records for 20170205
Authority records for 20170129
Authority records for 20170122
Authority records for 20170115
Authority records for 20170108
Authority records for 20170101
2016 Authority record updates
2015 Authority record updates
2014 Authority record updates
2013 Authority record updates
2012 Authority record updates
2011 Authority record updates
2010 Authority record updates
2009 Authority record updates
2008 Authority record updates
2007 Authority record updates
2006 Authority record updates