@misc{indiciae4edaaf41f0be, title = {Standard-bred Orpingtons, black, buff and white, their practical qualities; the standard requirements; how to judge them; how to mate and breed for best results, with a chapter on new non-standard varieties — Illustration, Page 51}, year = {1911}, url = {https://www.biodiversitylibrary.org/page/25665323}, note = {Source identifier: page-25665323} }