How to know the grasshoppers, cockcroaches [sic] and their allies
Subtitle: pictured-keys for identifying many of the grasshoppers, crickets, Katydids, earwigs, termites, cockroaches, praying mantids, rock-crawlers, and walkingsticks occuring in North America, north of Mexico
Publisher: W. C. Brown Co.
Published: 1963-01-01