John Dichtl and Robert B. Townsend, "A Picture of Public HistoryArchiviato il 4 marzo 2010 in Internet Archive.: Preliminary Results from the 2008 Survey of Public History Professionals" in Public History News, Vol. 29, No. 4 (September 2009)
John Dichtl and Robert B. Townsend, "A Picture of Public HistoryArchiviato il 4 marzo 2010 in Internet Archive.: Preliminary Results from the 2008 Survey of Public History Professionals" in Public History News, Vol. 29, No. 4 (September 2009)