Biography 1,214,133
Biographies 688,876
Bibliography 369,023
Bibliographies 154,943
Broadsides 110,919
Bio-bibliography 21,110
Booksellers' advertisements 15,413
Biographical films 10,399
Bildungsromans 8,587
Biographical fiction 8,027
Bibliographie 7,928
Blank forms 6,979
Bandes dessinées 6,781
Booksellers' labels (Provenance) 5,993
Bookplates (Provenance) 5,667
Broadside poems 5,227
Books 5,226
Ballets (Music) 5,022
Bildband 4,946
Blues (Music) 4,763
Biographie 4,155
Ballads 4,116
Book 4,051
Book reviews 4,030
By-laws 3,658
Biografie 3,101
British 2,973
Booksellers' catalogs 2,480
Binders' stamps (Binding) 2,274
Blind tooled bindings (Binding) 2,256
Band music 2,131
Biographical television programs 2,041
Bathymetric maps 2,012
Bibliography of bibliographies 1,923
Belletristische Darstellung 1,901
Book illustrations 1,621
Binders' tickets (Binding) 1,595
Books printed as advertisements 1,527
Booksellers' stamps (Provenance) 1,496
Black letter types (Type evidence) 1,401
Biographies (form) 1,382
Bookplates 1,240
Bibliografie 1,175
Band music, Arranged 1,011
Briefsammlung 992
Booksellers' catalogues 986
Bengali fiction 942
Bandes dessinées 915
Biographical comics 912
Big band music 899
Biographie (Descripteur de forme) 890
Bildungsromane 876
Blues 868
Blogs 865
Blueprints 816
Billheads 805
Bluegrass music 801
Black humor 782
Borders (Type evidence) 778
Black humor (Literature) 772
Bibliographies (form) 750
Business correspondence 725
Ballades (Instrumental music) 689
Bilingual books 673
Bills 661
Black-and-white photographs 632
Braille books 570
Boards (Binding) 563
Bandes dessinées autres que de fiction 540
Blocked bindings (Binding) 504
Biobibliographie 488
Biografía 486
Baccalaureate addresses 480
Booksellers' labels 437
Book prospectuses 435
Bandes dessinées autobiographiques 423
Book lists 419
Biographical 416
Born digital 413
Bases de données 396
Board books 395
Bandes dessinées biographiques 386
Bandes dessinées historiques 380
Biografía 380
Board games 376
Books and reading 352
Books of hours 350
Binders (Binding) 347
Bound sheet music 337
Botanical illustrations 336
Biobibliography 334
Bible stories 330
Bookbinding (Binding) 319
Bird's-eye views 318
Blu-ray discs 316
Belles-lettres (texts) 310
Burlesques 310
Brazilian fiction 306
Book auction catalogs 295
Binders' tickets 294