A critical index of films and filmstrips in conservation
Subtitle: dealing with renewable resources, non-renewable resources, resources and people, and ecology.
Edition: [3d ed.]
Published: 1967
Place of publication: New York
Language: eng
Number of pages: 79
Subjects: Natural resources -- United States -- Film catalogs.
Notes: First published in 1960 under title: A critical index of films and filmstrips.