Acts of Conscience: Christian Nonviolence and Modern ...
Joseph Kip Kosek
Richard B. Gregg to Mary Van Kleek, March 17, 1936, Gregg Papers. 65. Richard B. Gregg to W. E. B. Du Bois, November 19, 1926, Reel 18, Du Bois Papers; and Richard B. Gregg to W. E. B. Du Bois, July 24, 1928, Reel 25, Du Bois Papers.