Genre
Electronic books
408
Periodicals
278
Early works to 1800
148
Statistics
124
Instructional television programs
107
Case studies
84
Legislative hearings
78
Broadsides
75
Congresses
62
Nonfiction television programs
47
Documentary television programs
46
Biography
45
Cross-cultural studies
34
History
33
Handbooks, manuals, etc
28
Databases
27
Legislative materials
24
Sources
24
Rules
21
Booksellers' advertisements
20
Sermons
20
Interviews
18
Directories
16
Oral histories
15
Early works
14
Juvenile literature
13
Longitudinal studies
13
Bibliography
12
CD-ROMs
12
Publishers' advertisements
12
Rules and practice
12
Biographies
11
Electronic journals
11
Poems
11
Addresses
10
Anti-slavery literature
10
Catalogs
10
College catalogues
10
Documentary films
9
Advertisements
8
Archives
8
Correspondence
8
Letters
8
Conference papers and proceedings
7
Juvenile fiction
7
Autobiographies
6
Curricula
6
Fiction
6
Interactive multimedia
6
Prospectuses
6
more ...