Genre
Congresses
6
Handbooks, manuals, etc
4
Documentary films
3
Educational films
3
Juvenile literature
3
Short films
3
Case studies
2
Conference papers and proceedings
2
Handbooks and manuals
2
Bibliography
1
Experimental films
1
Juvenile works
1
Legislative hearings
1
Nonfiction films
1
Science films
1
Specifications
1