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. Selective fertilization Creator: Jones, Donald Forsha, 1890- Collection: Core Historical Literature of Agriculture Publisher: The University of Chicago Press, Publication Place: Chicago : Date: 1928 Format: Book