The papers include one blueprint, Dead load diagram, gymnasium roof truss U.S.N.A; a photocopy of an article written by McCarthy and published in Engineering News titled, "A Novel Method of Erecting Roof Trusses of the 71st Regiment Armory, New York City;" letters of recommendation written on behalf of McCarthy; news clippings pertaining to building projects McCarthy was involved in including the Gowanus Houses and Concord Village in Brooklyn; a news clipping describing McCarthy's concept of elevated pedestrian sidewalks; a handwritten page of calculations relating to columns; and correspondence, 1933-1952.