Betz, Melanie A. (May 8, 1991). "Ash, John, House". National Register of Historic Places Registration Form. National Park Service. Archived(PDF) from the original on May 16, 2014. Retrieved May 15, 2014. See also:"Accompanying photos". Archived(PDF) from the original on May 16, 2014. Retrieved May 15, 2014.
Betz, Melanie A. (May 8, 1991). "Ash, John, House". National Register of Historic Places Registration Form. National Park Service. Archived(PDF) from the original on May 16, 2014. Retrieved May 15, 2014. See also:"Accompanying photos". Archived(PDF) from the original on May 16, 2014. Retrieved May 15, 2014.