A book is a mirror: if an ass peers into it, you can't expect an apostle to look out.
Georg Christoph Lichtenberg, Aphorisms
Beaver County Trolleys: Rohrbeck, Benson W., Beaver County Trolleys, West Chester, PA: Ben Rohrbeck Traction Publications, 1985
Centennial Program: Wagner, Elise Mercur, Economy of Old and Ambridge of Today, Ambridge: Harmonists, 1924
Duss, John S., The Harmonists, A Personal History, Pittsburgh: Van Trump Zieglar Shane, 1943
Sesquicentennial Historical Booklet: Young, Norman C. (ed), Old Economy-Ambridge Sesqui-Centenial Historical Booklet, Ambridge:1974
Joan (Timney) Verigood, AHS 1952
Al Rotolo, AHS 1970's
Mike Medianowsky, AHS 1970's
Family Photos, Wacht family
William Bowan Archives, Bradley Bowan, custodian: Bill Bowan was my father's best friend and a man who was always a step ahead of his time.
Arthur Rothstein, June 1938: Library of Congress, Prints & Photographs Division, FSA-OWI Collection
John Vachon, January 1940 & 1941: Library of Congress, Prints & Photographs Division, FSA-OWI Collection
Official US Navy Photographs, National Archives