Gènere
Electronic books
539,657
Early works to 1800
152,048
Streaming audio
128,242
Periodicals
61,083
Biography
53,197
Libros electronicos
38,144
Congresses
36,542
Fiction
28,707
Documentary films
22,922
Sermons
16,357
Feature films
15,790
Drama
15,743
Sources
13,799
Poetry
13,173
Excerpts
13,031
Case studies
12,781
Electronic journals
12,754
Juvenile literature
11,757
Poems
11,459
Electronic book
11,041
Newspapers
10,631
Broadsides
10,019
Handbooks, manuals, etc
9,425
DVD-Video discs
8,419
Television news programs
8,100
Educational films
8,054
Documentary television programs
7,490
Controversial literature
7,299
Education films
6,852
Publicaciones periodicas
6,787
Sound recordings
6,658
Exhibitions
6,435
Instructional films
6,399
Translations into English
6,329
Bibliography
6,022
Interviews
5,822
Fiction films
5,776
Dictionaries
5,301
Correspondence
5,058
Pictorial works
4,956
Video recordings for the hearing impaired
4,589
Juvenile fiction
4,569
Catalogs
4,518
Plays
4,197
Letters
4,190
Songs and music
4,038
Nonfiction films
3,867
Musical settings
3,571
Popular music
3,564
Songs
3,463
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