Academic theses 258,681 Autobiographies 101,837 Auction catalogs 87,430 Academic Dissertation 80,838 Anecdotes 62,065 Art music 46,947 Arrangements (Music) 34,747 Aufsatzsammlung 32,743 Art 29,634 Auction catalogues 27,258 Advertisements 26,347 Annotations (Provenance) 25,507 Atlases 23,287 Academic dissertations 22,780 Almanacs 21,248 Archives 18,814 Architectural drawings 17,578 Artists' books 16,068 Abstracts 15,514 Apologetic works 15,297 Actes de congrès 15,015 Association copies (Provenance) 12,625 Autobiography 11,668 Adaptations 10,471 Audiocassettes 9,732 Atlas 9,612 Apologetic writings 7,809 Action and adventure films 7,168 Acting editions 7,150 Armorial bookplates (Provenance) 6,577 Aerial views 6,331 Audiobooks 6,331 Arrangements (Musique) 6,007 American 5,483 Authors' autographs (Provenance) 5,066 Art and the war 4,900 Animated films 4,801 Addresses 4,673 Action and adventure fiction 4,402 Autobiographical fiction 4,259 Adventure fiction 4,251 Advertising cards 3,905 Autographs (Provenance) 3,714 Authors' presentation copies (Provenance) 3,430 Anthems 3,227 Anthologies 3,204 Autographs 3,153 American poetry 3,122 Annual reports 3,029 Account books 3,020 Accordion fold format (Binding) 2,799 Aquatints 2,759 Administrative regulations 2,696 Adventure stories 2,681 Ausstellung 2,606 Aleatory music 2,498 Amateurs' manuals 2,253 Anthologie 2,234 Actes de congrès 2,225 Authors' inscriptions (Provenance) 2,120 Addresses, essays, lectures 1,956 Adaptations cinématographiques 1,949 Authors' presentation inscriptions (Provenance) 1,926 Aerial photographs 1,812 Ausstellungskatalog 1,744 Anti-slavery literature 1,721 Audiotapes 1,621 Alphabet books 1,600 Armorial bindings (Binding) 1,596 Allegories 1,593 Annotations 1,581 American fiction 1,571 Address 1,433 Albumen prints 1,428 Animated television programs 1,410 Action and adventure television programs 1,401 Arabic fiction 1,165 Adventure 1,157 Ausgabe 1,157 Audiences législatives 1,144 Arrangements instrumentaux 1,130 Action and adventure comics 1,049 Alternative histories (Fiction) 1,010 Autobiographie 995 Adventure video games 988 Adventure films 961 Argentine fiction 927 Academic catalogs 922 Autobiographical comics 874 Anthologies (form) 853 Accounts 848 Audiovisual materials 806 Armorial bindings 803 Articles 792 Adaptation 790 Armorial bindings (Provenance) 788 Arthurian romances 782 Alternative rock music 770 Artists' books (books) 726 Antiphons (Music) 711