Biography 1,210,759
Biographies 684,418
Bibliography 368,957
Bibliographies 154,341
Broadsides 110,879
Bio-bibliography 20,998
Booksellers' advertisements 15,403
Biographical films 10,283
Bildungsromans 8,552
Biographical fiction 7,982
Bibliographie 7,676
Blank forms 6,940
Bandes dessinées 6,580
Booksellers' labels (Provenance) 5,996
Bookplates (Provenance) 5,626
Books 5,256
Broadside poems 5,222
Ballets (Music) 5,010
Bildband 4,862
Blues (Music) 4,755
Biographie 4,153
Ballads 4,110
Book 4,046
Book reviews 4,021
By-laws 3,650
Biografie 3,131
British 2,968
Booksellers' catalogs 2,479
Binders' stamps (Binding) 2,272
Blind tooled bindings (Binding) 2,225
Band music 2,131
Biographical television programs 2,028
Bathymetric maps 2,010
Bibliography of bibliographies 1,919
Belletristische Darstellung 1,908
Book illustrations 1,616
Binders' tickets (Binding) 1,598
Books printed as advertisements 1,505
Booksellers' stamps (Provenance) 1,495
Black letter types (Type evidence) 1,402
Biographies (form) 1,401
Bookplates 1,231
Bibliografie 1,173
Band music, Arranged 1,011
Briefsammlung 1,004
Booksellers' catalogues 985
Biographical comics 906
Big band music 899
Biographie (Descripteur de forme) 894
Bildungsromane 876
Bandes dessinées 872
Blogs 863
Blues 862
Blueprints 816
Bengali fiction 815
Billheads 805
Bluegrass music 800
Borders (Type evidence) 778
Black humor 775
Black humor (Literature) 773
Bibliographies (form) 747
Business correspondence 721
Ballades (Instrumental music) 688
Bilingual books 671
Bills 660
Black-and-white photographs 631
Braille books 568
Boards (Binding) 559
Bandes dessinées autres que de fiction 534
Blocked bindings (Binding) 508
Biografía 495
Baccalaureate addresses 473
Biobibliographie 464
Book prospectuses 435
Booksellers' labels 421
Book lists 420
Born digital 412
Biographical 404
Bandes dessinées autobiographiques 401
Board books 393
Bases de données 389
Bandes dessinées biographiques 380
Biografía 378
Bandes dessinées historiques 377
Board games 370
Books and reading 353
Binders (Binding) 347
Books of hours 343
Biobibliography 336
Botanical illustrations 336
Bound sheet music 335
Bible stories 328
Bird's-eye views 318
Bookbinding (Binding) 318
Blu-ray discs 316
Belles-lettres (texts) 314
Burlesques 307
Brazilian fiction 306
Book auction catalogs 295
Binders' tickets 294