- “Westmoreland County Courthouse” by Joseph A is licensed under CC BY-NC-SA 2.0
- “Pittsburgh skyline view” by Derek.cashman is licensed under CC BY-SA 3.0 or GFDL, via Wikimedia Commons
- “Pittsburgh skyline panorama” by Always Shooting licensed under CC BY 2.0
- “Oakland Viewed From Flagstaff Hill by Ajblanck – Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons
- “Cathedral of Learning, University of Pittsburgh” by Eric Arnau is licensed under CC BY-NC-SA 2.0
- “The Steel City from 30,000 Feet” by Ron Reiring is licensed under CC BY 2.0
- “Allegheny County Courthouse” by Brook Ward is licensed under CC BY-NC 2.0