Colorado butterflies
By: by F. Martin Brown ; assisted by Donald Eff and Bernard Rotger.
Contributors: Eff, Donald.; Rotger, Bernard.
Series: Proceedings / Denver Museum of Natural History -- no. 3-7; Proceedings (Denver Museum of Natural History) -- no. 3-7
Publisher: Denver Museum of Natural History
Published: 1957
Place of publication: Denver, Colo
Language: eng
Number of pages: 368
Subjects: Butterflies -- Colorado.
Notes: Includes bibliographical references and index.