Personal and business correspondence; correspondence with and publications of the National Education Association and other professional and civic organizations with which Greenwood was affiliated; Greenwood's writings, research and speaking notes on various educational topics; items related to the Kansas City School System and to school administration in general; and publications on educational topics.

Papers, speeches, and publications written by William Torrey Harris on the topics of education and philosophy, as well as correspondence to Harris from educator James Mickelborough Greenwood; Joseph Baldwin, whom he was influential in getting to come to Kirksville to set up the teachers college; Ira Divoll, former state superintendent of schools and city superintendent of schools in St. Louis; and O.P. Davis.