@misc{indiciae867318c99cb6,
  title = {Problem solved: a guide - for both the experienced and the inexperienced poultry-breeder - to the hatching of every fertile egg with the most economical outlay, and with least incidental trouble and expense — Illustration, Page 46},
  year = {1920},
  url = {https://www.biodiversitylibrary.org/page/31394186},
  note = {Source identifier: page-31394186}
}