Goldfield, David R. (August 1975). "Living History: The Physical City as Artifact and Teaching Tool". The History Teacher. 8 (4). The History Teacher, Vol. 8, No. 4: 535–556. doi:10.2307/492666. JSTOR492666.
Goldfield, David R. (August 1975). "Living History: The Physical City as Artifact and Teaching Tool". The History Teacher. 8 (4). The History Teacher, Vol. 8, No. 4: 535–556. doi:10.2307/492666. JSTOR492666.
"Cave Hill Gate-way: A Magnificant [sic] Stone Lodge to be Erected Facing Broadway." Courier-Journal (1869–1922), March 18, 1880, p. 4. ProQuest1081820403.