Series 4. Biographical Material, 1941-1942, 1956, undated

The Harry Todd Costello papers is a small collection containing lecture notes, essays, syllabi, correspondence, and diaries documenting Costello's career as an instructor of philosophy and psychology primarily while at Trinity College (Hartford, Connecticut), but also from his time as a student or instructor at Columbia, Harvard, and Yale. In addition, the collection includes materials related to the Trinity College library, as well as some biographical material and a small amount of personal effects from Costello's apartment at Trinity.