Library of unified science
W.P. Van Stockum & Zoon , University of Chikago Press
Hans Kelsen
In-house reproduction Library of unified science . Book series
所蔵館1館
W.P. Van Stockum & Zoon , University of Chicago Press c1941 Library of unified science . Book series ; v. 2
所蔵館2館
Heinrich Gomperz
W.P. Van Stockum & Zoon , University of Chicago Press c1939 Library of unified science . Monograph series ; no. 8-9