1. 1987 Published / Created: circa 1995-2017 Call Number: VRC 1990a Image Count: 11 Found in: Robert B. Haas Family Arts Library Special Collections > Garvin City Planning Image Collection (VRC 1990a) > U.S. Cities > ... > PENNSYLVANIA > Pittsburgh > PPG (Philip Johnson) > Square > 1987
2. other Published / Created: circa 1995-2017 Call Number: VRC 1990a Image Count: 36 Found in: Robert B. Haas Family Arts Library Special Collections > Garvin City Planning Image Collection (VRC 1990a) > U.S. Cities > ... > PENNSYLVANIA > Pittsburgh > PPG (Philip Johnson) > Square > other