America's pioneering naturalists
Subtitle: their lives and times, exploits and adventures
By: by Robert Elman ; foreword by Dean Amadon.
Publisher: Winchester Press
Published: 1982
Place of publication: Tulsa, Okla
Language: eng
Number of pages: 231
Subjects: Naturalists -- United States -- Biography.
Notes: Bibliography: p. 219-225.
Rev. ed. of: First in the field. c1977.
Includes index.