@misc{indiciae2575cec838fa, 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 71}, year = {1911}, url = {https://www.biodiversitylibrary.org/page/25665343}, note = {Source identifier: page-25665343} }