Baltimore, University of Pennsylvania 1938 xvii + 355pp. + frontispiece & bl/w illustrations out of text, 24cm., text in English, Doctoral Dissertation (A Dissertation in Fine Arts presented to the Faculty of the graduate school of the University of Pennsylvania in partial fulfillment of the requirements for the degree of Doctor of Philosophy), softcover (with small trace of removed label), stamp at verso of title page, text is clean and bright, G112494