TY - BOOK AU - Stockard,Charles Rupert AU - Anderson,Oscar Daniel AU - James,William Thomas ED - Wistar Institute of Anatomy and Biology TI - The genetic and endocrinic basis for differences in form and behavior: as elucidated by studies of contrasted pure-line dog breeds and their hybrids PY - 1941/// CY - Philadelphia PB - The Wistar Institute of Anatomy and Biology ER -