1. Nutrition and physical fitness Creator: Bogert, L. Jean 1888-1970. Collection: Core Historical Literature of Agriculture Publisher: W. B. Saunders, Publication Place: London : Date: 1931 Format: Book
2. The soil and the microbe: an introduction to the study of the microscopic population of the soil and its role in soil processes and plant growth Creator: Waksman, Selman A. 1888-1973. Collection: Core Historical Literature of Agriculture Publisher: Chapman & Hall, Limited, Publication Place: London : Date: 1931 Format: Book