Genre
Electronic books
19,568
Early works to 1800
7,222
Periodicals
4,398
Libros electronicos
2,865
Publicaciones periodicas
1,404
Congresses
1,021
Broadsides
894
Sources
726
Documentary films
653
Cases
640
Electronic journals
615
Biography
389
Case studies
299
Trials, litigation, etc
275
Television news programs
259
Handbooks, manuals, etc
214
Electronic book
205
Laws
185
Education films
160
Dictionaries
155
Educational films
129
Popular works
122
Bibliography
98
Treaties
97
Digests
93
Proclamations
90
Petitions
87
Instructional films
85
DVD-Video discs
83
Documentary television programs
83
Statistics
76
Sermons
74
Bills
73
Letters
71
Feature films
69
Publicaciones seriadas
69
Filmed speeches
67
Drama
64
Fiction
64
Congresos
62
Encyclopedias
59
Indexes
58
Speeches in Congress
56
Controversial literature
55
Cross-cultural studies
54
Messages
53
History
52
Nonfiction films
52
Juvenile literature
51
Tables
46
more ...