Saarinen, Thomas F. (Thomas Frederick), Perception of the drought hazard on the Great Plains. - University of Chicago, Chicago : Dept. of Geography, 1966. - xi, 183 pages : illustrations ; 33 cm. - Research paper (University of Chicago. Dept. of Geography) ; no.106. . Bibliography: p. 170-183. Subjects--Topical Terms: Droughts--Great Plains.Farmers--Great Plains.