"Robison, Frank De Hass". Encyclopedia of Cleveland History. July 22, 1997. Retrieved September 1, 2014. http://ech.cwru.edu/ech-cgi/article.pl?id=RFDH
"Robison, Frank De Hass". Encyclopedia of Cleveland History. July 22, 1997. Retrieved September 1, 2014. http://ech.cwru.edu/ech-cgi/article.pl?id=RFDH
"Robison, Frank De Hass". Encyclopedia of Cleveland History. July 22, 1997. Retrieved September 1, 2014. http://ech.cwru.edu/ech-cgi/article.pl?id=RFDH
"F. De Hass Robinson Dead". Evening Star. Washington, D.C. September 26, 1908. p. 10 – via newspapers.com. https://www.newspapers.com/clip/94515107/f-de-hass-robinson-dead/