Yale University. Sheffield Scientific School. Dept. of Civil Engineering

Correspondence, engineering notebooks, lectures, and manuscripts on engineering, poems, plays, newspaper clippings, and other printed matter. The correspondence is chiefly on engineering, but also contains three notes from Oliver Wendell Holmes, Sr. discussing science and religion. All of DuBois' poems and plays also deal with the topics of science and religion. Also included is his unpublished manuscript: Mechanics of Engineering.