The consists of a collection compiled by Robinson (Princeton Class of 1915), including photostats of sermons, letters, pamphlets, and communications to newspapers by clergymen in colonial America, which he used as research material for a proposed book entitled "The Political Thought of the Colonial Clergy." The papers were copied from originals in various libraries, historical societies, and church repositories. Also included are files of original sermons (1783-1798) by Benjamin Boardman and letters to Robinson by John Q. Stewart and others. Also present are his index cards with bibliographic references and other research materials.