The nearctic parasitic wasps of the genera Psilus Panzer and Coptera Say : (Hymenoptera, Proctotrupoidea, Diapriidae) /

Issued July 1980.

Impact of Perillus bioculatus on the Colorado potato beetle and plant damage /

"Issued September 1978"--T.p. verso.

Insects and fungi associated with Cardus thistles (compositae) /

Includes index.

Beef cattle publications and visual materials /

Cover title.

Sheep publications and visual materials /

Cover title.

Insects associated with wild plants in Europe and the Middle East : biological control of weeds surveys /

Includes index.

Horse publications and visual materials /

"October 1980"--p. 2 of cover.

Swine publications and visual materials : 1980 listing /

Cover title.

Dextran bibliography : extensive coverage of research literature (exclusive of clinical) and patents : 1861-1976 /

Issued Apr. 1978.

A Comprehensive national plan for new initiatives in home economics research, extension, and higher education.

"January 1981."

Solar energy and nonfossil fuel research : a directory of projects related to agriculture /

Description based on: 1980.

Graduates of higher education in the food and agricultural sciences : an analysis of supply/demand relationships /

Issued July 1980.

The expanded food and nutrition education program : historical and statistical profile.

Issued Jan. 1979.

Establishments and products licensed under section 351 of the Public Health Service Act /

Description based on: June 1982.

U.S. jobs supported by merchandise exports /

"April 1992."