1. Research methods on farm use of tractors Creator: Jasny, Naum, 1883-1967. Collection: Core Historical Literature of Agriculture Publication Place: New York : Columbia University Press, Date: 1938 Format: Book
2. A story of nutritional research: the effect of some dietary factors on bones and the nervous system. Creator: Mellanby, Edward, (as Sir,) b. 1884. Collection: Core Historical Literature of Agriculture Publisher: Williams & Wilkins, Publication Place: Baltimore : Date: 1950 Format: Book