Harris, Gayle T.: Biographies of the Boundary Stones (2001) [unpublished manuscript in the Kiplinger Research Library of the Historical Society of Washington, D.C.].
Biographies of the Boundary Stones
Boundary Stones of the District of Columbia
Boundary Stones of the District of Columbia
Harris, Gayle T.: Biographies of the Boundary Stones (2001) [unpublished manuscript in the Kiplinger Research Library of the Historical Society of Washington, D.C.].
