A Textbook of Botany for Colleges and UniversitiesJohn Merle Coulter, Henry Chandler Cowles, Charles Reid Barnes · First published 1911 · Latest edition 2023Open the Tome
Starved Rock State Park and Its EnvironsHenry Chandler Cowles, Gilbert Haven Cady, Carl Ortwin Sauer · First published 2018Open the Tome
The Ecological Relations of the Vegetation on the Sand Dunes of Lake MichiganHenry Chandler Cowles · First published 1899 · Latest edition 2017Open the Tome
A Textbook of Botany for Colleges and Universities; Vol. II, EcologyJohn Merle; Charles Reid Barnes; Henry Chandler Cowles Coulter · First published 1911Open the Tome
