He continued to paint murals, including "Lincoln" (1953), for Lincoln University in Jefferson City, Missouri; "Trading At Westport Landing" (1956), for The River Club in Kansas City; "Father Hennepin at Niagara Falls" (1961) for the Power Authority of the State of New York; "Joplin at the Turn of the Century" (1972) in Joplin; and "Independence and the Opening of the West", for the Harry S. Truman Library in Independence. His commission for the Truman Library mural led to his developing a friendship with Harry S. Truman that lasted until the former U.S. President's death.