Agriculture in 1978

Growth and Adjustment in National Agricultures: Four Case Studies and an Overview by O'Hagan, James P.

The Potato Crop: The Scientific Basis for Improvement by Harris, P. M.

Origins of Agriculture by

Bakteriosen Der Kulturpflanzen by Spaar, Dieter

Die Nahrung. Jahrgang 21, Heft 8 by

Die Nahrung. Jahrgang 21, Heft 7 by

Big Burn by Miller, Don, Cohen, Stan

The Kentucky Harness Horse by McCarr, Ken

Major Soils and Soil Regions in the Netherlands by De Bakker, H.