Genre
Radio news programs
506
Electronic books
439
History
415
Broadsides
330
Campaign literature
258
Caricatures and cartoons
170
Statistics
139
Print
127
Congresses
102
Biography
101
Printed ephemera
96
Legislative hearings
79
Biographies
70
Case studies
70
Sources
65
Trials, litigation, etc
60
Documentary films
57
Interviews
54
Video recordings
54
Legislative materials
53
Academic theses
44
Television news programs
43
Drawing
42
Correspondence
38
Maps
38
Internet videos
34
Speeches in Congress
32
Dictionaries
28
Congressional addresses
27
Nonfiction films
27
Speeches
27
Feature films
26
DVD-Video discs
22
Advertisements
21
Early works to 1800
21
Photographs
21
Databases
20
Electronic book
20
Television programs
20
Conference papers and proceedings
19
Video recordings for the hearing impaired
18
Fiction
16
Informational works
15
Prospectuses
15
Songs and music
15
Autobiographies
14
Handbooks, manuals, etc
14
Juvenile literature
14
Periodicals
14
Public affairs television programs
14
more ...