Genre
Electronic books
89
Case studies
13
Forms
4
Instructional films
4
Periodicals
4
Congresses
3
Early works to 1800
3
Handbooks, manuals, etc
3
Documentary films
2
Documentary television programs
2
Filmed interviews
2
Filmed lectures
2
Libros electronicos
2
Short films
2
Television news programs
2
Broadsides
1
Computer network resources
1
DVD-Video discs
1
Educational films
1
Electronic book
1
Interviews
1
Nonfiction television programs
1
Proclamations
1
Publicaciones periodicas
1
Sources
1
Television mini-series
1