Books by Paul A. Opler

Cover of Butterflies of the American West

Butterflies of the American West

by Paul A. Opler, Susan Strawn

1991
Cover of A field guide to eastern butterflies

A field guide to eastern butterflies

by Paul A. Opler

1992
Cover of The Complete Book Of North American Butterflies

The Complete Book Of North American Butterflies

by Paul A. Opler

2011
Cover of Moths of Western North America: Distribution of Saturniidae of western North America

Moths of Western North America: Distribution of Saturniidae of western North America

by Richard Steven Peigler, Paul A. Opler

1993

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