I ran across a site with some very nice old Pgh. photos.

http://www.steelcactus.com/OLDPGH1.html

http://www.steelcactus.com/OLDPGH2.html

http://www.steelcactus.com/OLDPGH3.html

http://www.steelcactus.com/OLDPGH4.html (Luna Park photos on this one )

Steve Karl