The conservation message in America
Subtitle: a content analysis of periodicals of four major American conservation organizations from 1935 to 1968..
Series: [Oregon.  University.  School of Health, Physical Education, and Recreation.  Microform publications]
Published: 1969
Place of publication: [Eugene]
Language: eng
Number of pages: 235
Subjects: Conservation of natural resources -- United States
Notes: Vita

Microcard (8 cds.)

Thesis (Ph.D.)--University of Oregon

Bibliography: l. 223-230