Carl Sauer on culture and landscape : readings and commentaries /

by Sauer, Carl Ortwin, 1889-1975
Baton Rouge : Louisiana State University Press, 2009

To pass on a good earth : the life and work of Carl O. Sauer /

by Williams, Michael, 1935-2009, Lowenthal, David, Denevan, William M.
Charlottesville : University of Virginia Press, 2014