@misc{indiciaea28b65acef32, title = {The genetic and endocrinic basis for differences in form and behavior : as elucidated by studies of contrasted pure-line dog breeds and their hybrids — Illustration, Page 241}, year = {1941}, url = {https://www.biodiversitylibrary.org/page/5864720}, note = {Source identifier: page-5864720} }