Academic theses 256,950 Autobiographies 101,575 Auction catalogs 87,370 Academic Dissertation 80,597 Anecdotes 61,806 Art music 46,563 Arrangements (Music) 34,636 Aufsatzsammlung 32,776 Art 29,533 Auction catalogues 27,255 Advertisements 26,325 Annotations (Provenance) 25,488 Atlases 23,230 Academic dissertations 22,777 Almanacs 21,241 Archives 18,758 Architectural drawings 17,526 Artists' books 15,970 Abstracts 15,462 Apologetic works 15,278 Actes de congrès 15,217 Association copies (Provenance) 12,626 Autobiography 11,756 Adaptations 10,417 Audiocassettes 9,728 Atlas 9,569 Apologetic writings 7,796 Acting editions 7,151 Action and adventure films 7,087 Armorial bookplates (Provenance) 6,562 Aerial views 6,327 Audiobooks 6,291 Arrangements (Musique) 5,959 American 5,476 Authors' autographs (Provenance) 4,972 Art and the war 4,890 Animated films 4,779 Addresses 4,637 Action and adventure fiction 4,344 Autobiographical fiction 4,225 Adventure fiction 4,223 Advertising cards 3,905 Autographs (Provenance) 3,694 Authors' presentation copies (Provenance) 3,419 Anthems 3,224 Anthologies 3,178 Autographs 3,138 American poetry 3,119 Account books 3,013 Annual reports 3,007 Accordion fold format (Binding) 2,800 Aquatints 2,758 Administrative regulations 2,682 Adventure stories 2,676 Ausstellung 2,601 Aleatory music 2,487 Anthologie 2,243 Amateurs' manuals 2,241 Actes de congrès 2,204 Authors' inscriptions (Provenance) 2,116 Addresses, essays, lectures 1,957 Authors' presentation inscriptions (Provenance) 1,889 Aerial photographs 1,808 Anti-slavery literature 1,721 Audiotapes 1,619 Alphabet books 1,596 Armorial bindings (Binding) 1,595 Allegories 1,593 Adaptations cinématographiques 1,589 Ausstellungskatalog 1,581 American fiction 1,564 Address 1,428 Albumen prints 1,425 Annotations 1,419 Animated television programs 1,406 Action and adventure television programs 1,395 Arabic fiction 1,162 Ausgabe 1,152 Audiences législatives 1,138 Adventure 1,133 Arrangements instrumentaux 1,123 Action and adventure comics 1,043 Alternative histories (Fiction) 1,007 Adventure video games 986 Autobiographie 986 Argentine fiction 938 Academic catalogs 919 Adventure films 916 Anthologies (form) 866 Autobiographical comics 856 Accounts 848 Audiovisual materials 801 Armorial bindings 800 Articles 789 Armorial bindings (Provenance) 787 Alternative rock music 786 Arthurian romances 780 Adaptation 761 Artists' books (books) 725 Antiphons (Music) 710