24 books
Indiana, Department of Geology and Natural Resources, Twenty-Ninth Annual Report, 1904 (Classic Reprint)
Indiana Department of Geology and Natural Resources Twenty-Second Annual Report, 1897 (Classic Reprint)
Indiana, Department of Geology and Natural Resources
A Catalogue of the Butterflies Known to Occur in Indiana, 1892 (Classic Reprint)
Indiana Department of Geology and Natural Resources; Twentieth Annual Report, 1895 (Classic Reprint)
Department of Geology and Natural Resources
Orthoptera of Northeastern America
The Orthoptera of Indiana: An Illustrated Descriptive Catalogue of the Species Known to Occur in the State, With Bibliography, Synonymy and Descriptions of New Species (Classic Reprint)
Boulder Reveries (Classic Reprint)
The Indiana Weed Book (Classic Reprint)
An Illustrated Descriptive Catalogue of the Coleoptera or Beetles (Exclusive of the Rhynchophora) Known to Occur in Indiana: With Bibliography and Descriptions of New Species (Classic Reprint)
Gleanings from Nature (Classic Reprint)
Woodland Idyls (Classic Reprint)
Indiana Department of Geology and Natural Resources, 1908: Thirty-Third Annual Report (Classic Reprint)
Rhynchophora or Weevils of North Eastern America (Classic Reprint)
A Catalogue of the Butterflies Known to Occur in Indiana
Gleanings from Nature
A Nature Wooing at Ormond by the Sea
The Petroleum Industry of Southeastern Illinois
Boulder Reveries
Woodland Idyls
A Catalogue of the Butterflies Known to Occur in Indiana (1891)
Orthoptera of Northeastern America; With Especial Reference to the Faunas of Indiana and Florida
The Indiana Weed Book