ISBN 0867271078 books & textbook
Butterflies and Skippers of Ohio (BULLETIN OF THE OHIO BIOLOGICAL SURVEY NEW SERIES)
Iftner, David C. Shuey, John A. Calhoun, John V.
College of Biological Sciences, Ohio State U /1992T Paperback / 212 Pages
isbn-10: 0867271078 / isbn-13: 9780867271072