Biographical sketch by Dr. Emory Bogardus (draft), 1 item. 1962
Articles by Mangold, 8 items. 1924, 1928, 1929, 1930, 1932, 1937, 1938, 1940, 1945
Account of European Tour in the 1930's, 1 item. circa 1930s
Leaflet on "Social Service Opportunities for Churches..," 1 items undated
"St. Louis School of Social Economy" handbook, 2 items. circa 1916, 1917
Lecture program, 1 items. undated