Genre
Electronic books
274,624
Periodicals
48,436
Early works to 1800
35,361
Private bills
34,606
Electronic journals
24,931
Congresses
22,004
Downloadable audio file
20,451
Biography
14,716
Fiction
12,654
Statistics
9,985
Juvenile literature
9,321
Sermons
9,313
Broadsides
8,469
Maps
6,952
Handbooks, manuals, etc
6,640
Poems
5,331
Almanacs
5,102
Juvenile fiction
4,386
History
4,110
Poetry
3,360
Case studies
3,300
Databases
3,097
Booksellers' advertisements
2,811
Rules and practice
2,661
Bibliography
2,372
Dictionaries
2,278
Sources
1,949
Advertisements
1,856
Excerpts
1,771
Commentaries
1,735
Directories
1,693
Stories, plots, etc
1,679
Controversial literature
1,675
Criticism, interpretation, etc
1,634
Drama
1,599
Registers
1,471
Study guides
1,433
Plays
1,429
Newspapers
1,427
Catalogs
1,422
Forms
1,292
Speeches in Congress
1,288
Funeral sermons
1,235
Popular works
1,235
Biographies
1,225
Songs and music
1,189
Correspondence
1,171
Encyclopedias
1,145
Single sheet verse
1,137
Translations into English
1,125
more ...