Mark Hopkins (1886). “A Discourse Delivered at Williamstown, June 29, 1886: On the Fiftieth Anniversary of His Election as President of Williams College”
Mark Hopkins (1909). “Evidences of Christianity: Lectures Before the Lowell Institute, Revised as a Text Book, with a Supplementary Chapter Considering Some Attacks on the Critical School, the Corroborative Evidence of Recently Discovered Manuscripts, Etc., and the Testimony of Jesus on His Trial”