@misc{indiciae70d90ef5d1a4, 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 22}, year = {1920}, url = {https://www.biodiversitylibrary.org/page/31394205}, note = {Source identifier: page-31394205} }