• publisher: Lancaster, Pa. : [M.A. Bigelow]
  • creator: American Nature Study Society
  • contributor: American Nature Study Society.
  • Keyword: Nature study Periodicals.
  • years: 1905-
  • pages: 19 v. :
  • class: QH1
  • isbn: 0734-7006
  • notes: Title from cover.
  • download: pdf file