Genre
Biography
34,741
History
24,977
Biographies
19,577
Genealogy
19,014
Catalogs
17,398
Bibliography
9,378
Auction catalogs
9,155
Congresses
8,061
Sources
7,461
Periodicals
7,069
Auction catalogues
6,060
Dictionaries
5,546
Conference papers and proceedings
5,431
Statistics
5,006
Autobiographies
4,258
Electronic books
4,178
Rules and practice
4,045
Bibliographies
3,692
Sound recordings
2,851
Corporation reports
2,641
Correspondence
2,210
Early works to 1800
2,197
Handbooks, manuals, etc
2,160
Archives
1,721
Directories
1,644
Criticism, interpretation, etc
1,619
Maps
1,563
Course catalogs
1,475
Handbooks and manuals
1,379
Exhibitions
1,373
Printed ephemera
1,340
Interviews
1,298
Indexes
1,067
Census, 1990
1,066
Family histories
1,043
Registers
1,037
Pictorial works
955
Catalogues
940
Diaries
916
Exhibition catalogs
905
Forecasts
892
Comics (Graphic works)
882
Early works
870
Chronology
860
Anecdotes
851
Personal narratives
850
Excerpts
848
Comic books, strips, etc
777
Juvenile literature
710
Fiction
666
more ...