Lavoie, Catherine C. (1989). "Digges-Sasscer House"(PDF). Historic American Buildings Survey. Washington, D.C.: Library of Congress. Archived from the original(PDF) on January 5, 2014. Retrieved February 25, 2014.
Lavoie, Catherine C. (1989). "Digges-Sasscer House"(PDF). Historic American Buildings Survey. Washington, D.C.: Library of Congress. Archived from the original(PDF) on January 5, 2014. Retrieved February 25, 2014.
Address delivered before the Philodemic Society of Georgetown College, (District of Columbia), on the annual commencement, held July 28th, 1840. OCLC719556229.