@misc{indiciae8ab3c0a37399,
  title = {Civic biology, a textbook of problems, local and national, that can be solved only by civic coöperation — Illustration, Page 115},
  year = {1918},
  url = {https://www.biodiversitylibrary.org/page/23950077},
  note = {Source identifier: page-23950077}
}