Academic theses 256,985 Autobiographies 101,603 Auction catalogs 87,368 Academic Dissertation 80,615 Anecdotes 61,838 Art music 46,557 Arrangements (Music) 34,584 Aufsatzsammlung 32,778 Art 29,547 Auction catalogues 27,253 Advertisements 26,325 Annotations (Provenance) 25,486 Atlases 23,221 Academic dissertations 22,776 Almanacs 21,244 Archives 18,760 Architectural drawings 17,531 Artists' books 15,959 Abstracts 15,459 Apologetic works 15,284 Actes de congrès 15,216 Association copies (Provenance) 12,626 Autobiography 11,771 Adaptations 10,421 Audiocassettes 9,727 Atlas 9,565 Apologetic writings 7,795 Acting editions 7,151 Action and adventure films 7,081 Armorial bookplates (Provenance) 6,561 Aerial views 6,326 Audiobooks 6,292 Arrangements (Musique) 6,068 American 5,474 Authors' autographs (Provenance) 4,970 Art and the war 4,890 Animated films 4,778 Addresses 4,628 Action and adventure fiction 4,339 Autobiographical fiction 4,223 Adventure fiction 4,222 Advertising cards 3,905 Autographs (Provenance) 3,690 Authors' presentation copies (Provenance) 3,419 Anthems 3,224 Anthologies 3,177 American poetry 3,118 Autographs 3,062 Account books 3,013 Annual reports 3,006 Accordion fold format (Binding) 2,800 Aquatints 2,758 Administrative regulations 2,682 Adventure stories 2,673 Ausstellung 2,618 Aleatory music 2,485 Anthologie 2,245 Amateurs' manuals 2,241 Actes de congrès 2,194 Authors' inscriptions (Provenance) 2,116 Addresses, essays, lectures 1,957 Authors' presentation inscriptions (Provenance) 1,887 Aerial photographs 1,808 Anti-slavery literature 1,721 Audiotapes 1,619 Ausstellungskatalog 1,608 Alphabet books 1,596 Armorial bindings (Binding) 1,595 Allegories 1,594 Adaptations cinématographiques 1,581 American fiction 1,563 Address 1,427 Albumen prints 1,425 Animated television programs 1,406 Action and adventure television programs 1,395 Annotations 1,372 Arabic fiction 1,161 Ausgabe 1,153 Audiences législatives 1,138 Adventure 1,133 Arrangements instrumentaux 1,125 Action and adventure comics 1,040 Alternative histories (Fiction) 1,007 Adventure video games 986 Autobiographie 986 Argentine fiction 936 Academic catalogs 919 Adventure films 916 Anthologies (form) 866 Autobiographical comics 853 Accounts 848 Armorial bindings 800 Audiovisual materials 800 Articles 789 Alternative rock music 788 Armorial bindings (Provenance) 787 Arthurian romances 780 Adaptation 761 Artists' books (books) 725 Antiphons (Music) 710