Sauer, Carl Ortwin, 1889- Land and life; : a selection from the writings of Carl Ortwin Sauer. [electronic resource] / Edited by John Leighly.. — Berkeley, : University of California Press,, 1963.. — vi, 435 p. : port., 2 maps ( 1 fold.) profile. 24 cm.
"Published writings of Carl Ortwin Sauer, 1915-1962": p. 407-413. Bibliographical footnotes.