@misc{indiciaefc1a3a6155b1,
  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, BHL page 37721656},
  year = {1911},
  url = {https://www.biodiversitylibrary.org/page/37721656},
  note = {Source identifier: page-37721656}
}