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.

A host-parasite catalog of North American Tachinidae (Diptera) /

Issued June 1978.

Beef cattle publications and visual materials /

Cover title.

Sheep publications and visual materials /

Cover title.

USDA estimates of the cost of raising a child : a guide to their use and interpretation.

Issued October 1981"--P. i.

Future challenges in renewable natural resources : proceedings of a national workshop, January 22-25, 1979, Rosslyn, Virginia.

Issued Sept. 1979.

A five-year national plan for renewable resources extension programs.

Issued June 1980.

Alternatives for strengthening range research : proceedings of a meeting held in San Diego, California, February 9, 1980, preceding the annual meeting of the Society for Range Management /

Issued Aug. 1980.

Review of literature related to engineering aspects of grain dust explosions /

Issued Aug. 1979.

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

Includes index.

Guide to manuscripts in the National Agricultural Library /

Issued June 1979.

Horse publications and visual materials /

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

Swine publications and visual materials : 1980 listing /

Cover title.

Beekeeping in the United States /

Includes bibliographical references.