Genre
Legislative materials
365
History
349
Legislative hearings
317
Early works to 1800
206
Statistics
105
Congresses
102
Documentary films
90
Conference papers and proceedings
58
Nonfiction films
49
Documentary television programs
44
Case studies
40
Television news programs
29
Biography
27
Periodicals
27
Handbooks, manuals, etc
25
Poetry
24
Biographies
17
Commercial treaties
12
Educational films
12
Short films
12
Treaties
12
Early works
10
Juvenile literature
10
Bibliography
9
Feature films
9
Broadsides
8
Fiction
8
Anecdotes
7
Handbooks and manuals
7
Translations into English
7
Bibliographies
6
Criticism, interpretation, etc
6
Directories
6
Encyclopedias
6
Newsreels
6
Nonfiction television programs
6
Subscribers' lists
6
Translations
6
Booksellers' advertisements
5
Congress
5
Dictionaries
5
Documentary
5
Drama
5
Environmental films
5
Film clips
5
Interviews
5
Maps
5
Sources
5
Correspondence
4
Ethnographic films
4
more ...