Insect life.

"Books about insects": p. 62-63.

How to make an insect collection; a beginner's guide to the methods and materials of insect collecting.

Mode of access: Internet.

How to make an insect collection; containing suggestions and hints designed to aid the beginning and less advanced collector ...

"Designed to replace Directions for collecting and preserving insects by Dr. A. B. Klots which is now out of print. The current publication is a co-operative affair written by members of Ward's own staff."--p. [2]

Organization and conduct of forest insect aerial surveys in Oregon and Washington,

Mode of access: Internet.

Methods of insect control.

V. 1: 2d ed., rev., 1937-1940 with 1942 printing; v. 2: 3rd edition-revised, copyright 1938, 1940, 1942 with 1944 printing.

Discussions of forage insect research workers during the North Central Branch meetings of the Entomological Society of America at Purdue University.

Mode of access: Internet.

The locust borer (Cyllene robiniae) and other insect enemies of the black locust,

Mode of access: Internet.

Forest insect conditions in central and southern Rocky Mountains, 1960.

Mode of access: Internet.

Methods of insect control ...

Reproduced from type-written copy.

The bag-worm : an injurious shade-tree insect /

Caption title.

Insect enemies of eastern forests.

Contribution from Bureau of Entomology and Plant Quarantine.

Insect enemies of western forests.

"Issued Feb. 1938, rev. July 1952."

Insect sounds.

Mode of access: Internet.

Relation of temperature to insect life /

Mode of access: Internet.

A text-book of agricultural entomology : being a guide to methods of insect life and means of prevention of insect ravage for the use of agriculturists and agricultural students /

Mode of access: Internet.