How to know the grasshoppers, cockcroaches [sic] and their allies ; 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 / All illus. drawn by Jacques R. Helfer.
| Author/creator | Helfer, Jacques R. |
| Format | Book |
| Publication Info | Dubuque, Iowa : W. C. Brown Co., [©1953] |
| Description | 353 pages : illustrations ; 22 cm. |
| Subjects |
| Series | Pictured key nature series Pictured key nature series. ^A364868 |
| Other title | How to know the grasshoppers, cockroaches and their allies. |
| LCCN | 63015071 |