Critical index of films on man and his environment
Subtitle: compiled as of June 1971.
Series: Education, key to conversation ;; no. 8
Publisher: Interstate Printers & Publishers
Published: 1972
Place of publication: Danville, Ill
Language: eng
Number of pages: 31
Subjects: Conservation of natural resources -- Film catalogs.; Human ecology -- Film catalogs.; Ecology -- Film catalogs.