TY  - ART
TI  - 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 37721649
PY  - 1911
UR  - https://www.biodiversitylibrary.org/page/37721649
ID  - page-37721649
ER  -