"This book had its inception in a dissertation presented at the University of Minnesota in 1925 for the degree of doctor of philosophy ... I have rewritten the volume in the light of my researches abroad."--Pref., p. ix.
Reproduction
Microfiche. Chicago : Library Resources,inc., 1970. 2 microfiches ; 8 x 13 cm. (Library of American civilization ; LAC 22861-62)