Endnote My great indebtedness is to Dr. John Klein, professor at The Washington University in St. Louis and Dr. Keith Eggener, professor of the Univerwity of Missouri-Columbia, for their sincere help and encouraging me to complete this essay. i Opportunity vol. 12 (Dec., 1934), p. 372. ii Romare Bearden & Harry Henderson, A History of African-American Artists, Pantheon Books, New York, 1993. iii..