1. Inbreeding and outbreeding: their genetic and sociological significance Creator: East, Edward M. 1879-1938. Collection: Core Historical Literature of Agriculture Publisher: J. B. Lippincott Company ; Publication Place: London : Date: 1919 Format: Book
2. Mankind at the crossroads Creator: East, Edward M. 1879-1938. Collection: Core Historical Literature of Agriculture Publisher: C. Scribner's Sons, Publication Place: London : Date: 1923 Format: Book