@misc{indiciaeeb15980efbc4,
  title = {Profitable culling and selective flock breeding; complete details regarding the latest approved methods for culling, or the selection of layers, simple and practical instructions for securing permanent improvement in egg production in any flock — Illustration, Page 41},
  year = {1920},
  url = {https://www.biodiversitylibrary.org/page/25111437},
  note = {Source identifier: page-25111437}
}