BOOKQUE

Handbook for Directors of Soil Conservation Districts, Prepared in the College of Agriculture, Univ. of Illinois
Ernest DeWitt Walker , Bruce Byrn Clark , Ralph Carroll Hay
· 1947
Circular
Ernest De Witt Walker , Ralph Carroll Hay
· 1945
Post War Farm Jobs and Farmer's Purchase Intentions: An Illinois Survey of Rural Employment Opportunities
A. T. Anderson , Clyde Maurice Linsley , David Edgar Lindstrom , Ernest De Witt Walker , George Clemens Decker , George Harlan Dungan , J. B. Cunningham , Ray Iris Shawl , E. H. Regnier , Harold Clayton M. Case , Howard Bliss Petty , Orville Thomas Bonnett , Ralph Carroll Hay , Robert Cooke Ross , John Henry Bigger
· 1944
Circular
Ralph Carroll Hay
· 1959
Circular
Emil Wilhelm Lehmann , Ralph Carroll Hay
· 1941
Development of a Soil and Water Laboratory for an Agricultural Engineering Department
Ralph Carroll Hay
· 1951
Respiratory Diseases of Poultry: Their Diagnosis and Control
Carl Alfred Brandly , Edwin LeRoy Hansen , Emil Wilhelm Lehmann , Helen Klaas , Joseph W Scott , Laurence Joseph Norton , Leslie Harold Shropshire , Milton Dyer Farrar , Paul Hubert Tracy , Carlos Wilbur Veach , David Edgar Lindstrom , Ralph Carroll Hay , Ross Harrison Hurt , Sybil Woodruff , Wesley Pillsbury Flint , R. A. Sandberg , Robert Graham , T. F. Winburn
· 1940
No image available
Why Terrace?
Ralph Carroll Hay , Jerry Schwein
· 1972
No image available
The Soybean: A Plant Immigrant Makes Good
Chris Simeon Rhode , Emil Wilhelm Lehmann , Herbert Windsor Mumford , Paul Hubert Tracy , Russell Harlan Reed , Wesley Pillsbury Flint , William Barbour Nevens , William Leonidas Burlison , John Jacob Pieper , Ralph Carroll Hay , William Edward McCauley , Henry Perly Rusk
· 1936
No image available
Pollination of Legume Seed in Illinois
Elbert R. Jaycox
· 1971