121. Principles of soil microbiology Creator: Waksman, Selman A. 1888-1973. Collection: Core Historical Literature of Agriculture Publisher: The Williams & Wilkins Company, Publication Place: Baltimore : Date: 1927 Format: Book
122. The great soil groups of the world and their development Creator: Glinka, Konstantʹin Dmʹitrʹievʹich, 1867-1927. Collection: Core Historical Literature of Agriculture Publisher: Edwards Brothers, Publication Place: Ann Arbor, Mich. : Date: 1927 Format: Book
123. The condition of agriculture in the United States and measures for its improvement Creator: Business Men's Commission on Agriculture. Collection: Core Historical Literature of Agriculture Publisher: Chamber of Commerce of the United States of America, Publication Place: Washington, D.C. : Date: 1927 Format: Book
124. Industrial prosperity and the farmer Creator: Engberg, Russell Carl, 1894- Collection: Core Historical Literature of Agriculture Publisher: The Macmillan Company, Publication Place: New York : Date: 1927 Format: Book
125. By-products in the packing industry Creator: Clemen, Rudolph Alexander. Collection: Core Historical Literature of Agriculture Publisher: The University of Chicago Press, Publication Place: Chicago, Ill. : Date: 1927 Format: Book