@misc{indiciaec0fedefff850,
  title = {Handbook of nature-study : for teachers and parents : based on the Cornell nature-study leaflets, with much additional material and many new illustrations — Illustration, BHL page 22350121},
  year = {1912},
  url = {https://www.biodiversitylibrary.org/page/22350121},
  note = {Source identifier: page-22350121}
}