@misc{indiciae3c97fe9a8f3b,
  title = {Baum- und Waldbilder aus der Schweiz. Erste- [Dritte] Serie — Illustration, Plate 20},
  year = {1911},
  url = {https://www.biodiversitylibrary.org/page/58848461},
  note = {Source identifier: page-58848461}
}