C.S. · Carl O. Sauer · Carl S. · O's
Nabu Press · Turtle Island Foundation
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Man in Nature | 978-0-913666-01-2 | 1983 | |
| Northern Mists | 978-0-913666-00-5 | 1973 | |
| Starved Rock State Park and Its Environs | 978-1-145-38529-0 | 2010 | Henry Chandler Cowles · Gilbert Haven Cady |
| The Geography of the Ozark Highland of Missouri | 978-1-143-89569-2 | 2010 | |
| The Geography of the Ozark Highland of Missouri | 978-1-146-44284-8 | 2010 | |