@misc{indiciae81490cf1bb1b,
  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 43},
  year = {1920},
  url = {https://www.biodiversitylibrary.org/page/25111439},
  note = {Source identifier: page-25111439}
}