Genre
History
31
Electronic books
17
Periodicals
12
Bibliography
9
Music
9
Maps
8
Bibliographies
7
Internet videos
6
Criticism, interpretation, etc
5
Sound recordings
5
Sources
5
Early works
4
Photographs
4
Bibliographie
3
Documentary television programs
3
Early works to 1800
3
Fiction
3
Field recordings
3
Instructional films
3
Songs and music
3
Video recordings
3
Artists' books
2
Biography
2
Color photographs
2
DVD-Video discs
2
Educational films
2
Folk music
2
Historical films
2
Pamphlets
2
Papers (documents)
2
Poetry
2
Private bills
2
Publisher's advertisements
2
Records and correspondence
2
Specimens
2
Travel literature
2
Academic theses
1
Account books
1
Aerial photographs
1
Anecdotes
1
Annotations (Provenance)
1
Atlases
1
Autobiographies
1
Bibliografías
1
Bills of lading
1
Biographies
1
Black-and-white photographs
1
Broadsides (notices)
1
Case studies
1
Collage (technique)
1
more ...