By Amry van den Bosch, phD, assistant professor of political science, University of Kentucky, printed by Carlstrand-Rook Company for the Knickerbocker Society of Chicago, 1927. Digitized by the Internet Archive in 2012 with funding from University of Illinois Urbana-Champaign.
(Jacob de Jong is mentioned on page 12, Roel van Vuuren on page 11.)