Academic theses 257,247 Autobiographies 101,643 Auction catalogs 87,378 Academic Dissertation 80,724 Anecdotes 61,901 Art music 46,694 Arrangements (Music) 34,698 Aufsatzsammlung 32,690 Art 29,579 Auction catalogues 27,255 Advertisements 26,323 Annotations (Provenance) 25,493 Atlases 23,252 Academic dissertations 22,779 Almanacs 21,245 Archives 18,775 Architectural drawings 17,553 Artists' books 16,029 Abstracts 15,499 Apologetic works 15,287 Actes de congrès 14,938 Association copies (Provenance) 12,625 Autobiography 11,616 Adaptations 10,445 Audiocassettes 9,729 Atlas 9,585 Apologetic writings 7,803 Acting editions 7,147 Action and adventure films 7,139 Armorial bookplates (Provenance) 6,569 Aerial views 6,329 Audiobooks 6,307 Arrangements (Musique) 5,969 American 5,480 Authors' autographs (Provenance) 4,964 Art and the war 4,896 Animated films 4,797 Addresses 4,644 Action and adventure fiction 4,375 Adventure fiction 4,247 Autobiographical fiction 4,236 Advertising cards 3,905 Autographs (Provenance) 3,703 Authors' presentation copies (Provenance) 3,426 Anthems 3,226 Anthologies 3,190 Autographs 3,145 American poetry 3,116 Account books 3,016 Annual reports 3,012 Accordion fold format (Binding) 2,800 Aquatints 2,759 Administrative regulations 2,690 Adventure stories 2,678 Ausstellung 2,599 Aleatory music 2,491 Amateurs' manuals 2,243 Anthologie 2,232 Actes de congrès 2,211 Authors' inscriptions (Provenance) 2,119 Addresses, essays, lectures 1,957 Adaptations cinématographiques 1,929 Authors' presentation inscriptions (Provenance) 1,887 Aerial photographs 1,811 Anti-slavery literature 1,720 Audiotapes 1,620 Alphabet books 1,597 Armorial bindings (Binding) 1,595 Allegories 1,591 Ausstellungskatalog 1,580 American fiction 1,559 Annotations 1,531 Albumen prints 1,428 Address 1,427 Animated television programs 1,408 Action and adventure television programs 1,397 Arabic fiction 1,159 Adventure 1,152 Ausgabe 1,148 Audiences législatives 1,135 Arrangements instrumentaux 1,129 Action and adventure comics 1,045 Alternative histories (Fiction) 1,009 Autobiographie 992 Adventure video games 986 Adventure films 955 Argentine fiction 927 Academic catalogs 921 Autobiographical comics 868 Anthologies (form) 852 Accounts 848 Armorial bindings 803 Audiovisual materials 802 Articles 792 Adaptation 788 Armorial bindings (Provenance) 788 Arthurian romances 782 Alternative rock music 778 Artists' books (books) 725 Antiphons (Music) 711