48 hours in Pittsburgh, Pennsylvania - Lonely Planet
Lonely Planet New York, Washington D.C. & the Mid-Atlantic Trips (Lonely Planet Regional Guide) [Campbell, Jeff, Karlin, Adam, Otis, Ginger Adams,
Lonely Planet New York, Washington DC & the Mid-Atlantic Trips (Lonely Planet Regional Guide)
48 hours in Pittsburgh, Pennsylvania - Lonely Planet
48 Hours in Pittsburgh
Top 11 Things to Do in Bucks County, Pennsylvania
48 hours in Pittsburgh, Pennsylvania - Lonely Planet
Pittsburgh travel - Lonely Planet
Pittsburgh travel - Lonely Planet
36 Hours in Pittsburgh - The New York Times