Genre
Atlases
1
Documentary films
28
Documentary television programs
6
Educational films
2
Experimental films
1
Feature films
1
Fiction
1
History
6
Juvenile literature
7
Juvenile works
2
Legislative hearings
6
Legislative materials
2
Maps
3
Mechanical works
1
Nature films
1
Nonfiction films
2
Photographs
1
Photographs from space
1
Remote-sensing maps
1
Science films
1
Short films
5
Spatiocartes
1
Specimens
1
Television news programs
4
Treaties
1