- N427US at the gate at Pittsburgh International Airport
- Fire alarm horn/strobe and pull station at East Liberty Presbyterian Church
- Tires on a roof [01]
- Tires on a roof [02]
- Cathedral of Hope [01]
- Cathedral of Hope [02]
- Photographing the Cathedral of Hope
- East Liberty Presbyterian Church [01]
- Newly constructed apartment building in East Liberty
- Weatherproof Simplex TrueAlert at Ace Hotel
- Ace Hotel gymnasium [01]
- Ace Hotel gymnasium [02]
- Ace Hotel gymnasium [03]
- East Liberty Presbyterian Church [02]
- East Liberty Presbyterian Church [03]
- East Liberty Presbyterian Church [04]
- Mailbox on Baum Blvd.
- East Liberty Presbyterian Church [05]
- East Liberty Presbyterian Church [06]
- East Liberty Presbyterian Church [07]
- East Liberty Presbyterian Church [08]
- Address numbers for 5533 Walnut Street
- Third-floor space at 5533 Walnut Street
- Montgomery Vector buttons
- Fire alarm pull station at 5533 Walnut Street
- 5533 Walnut Street
- Cathedral of Learning [01]
- Students in the Cathedral of Learning [01]
- Students in the Cathedral of Learning [02]
- Cathedral of Learning [02]
- "Please return to Provost's office"
- Cathedral of Learning [03]
- Cathedral of Learning [04]
- Cathedral of Learning [05]
- Cathedral of Learning [06]
- Fire alarm pull station at Cathedral of Learning [01]
- View from Cathedral of Learning [01]
- View from Cathedral of Learning [02]
- View from Cathedral of Learning [03]
- View from Cathedral of Learning [04]
- Wheelock speaker/strobe at Cathedral of Learning [01]
- Fire alarm pull station at Cathedral of Learning [02]
- Chalkboard notes [01]
- Chalkboard notes [02]
- Elevator annunciator at Cathedral of Learning
- Wheelock speaker/strobe at Cathedral of Learning [02]
- Cathedral of Learning basement level
- Cathedral of Learning [07]
- Cathedral of Learning [08]
- Cathedral of Learning [09]
- Cathedral of Learning [10]
- Cathedral of Learning [11]
- Cathedral of Learning [12]
- Port Authority Transit bus
- Photographing an elevator sign
- Pittsburgh LRV 4307
- Monongahela Incline
- Station Square shopping mall
- Pittsburgh LRV 4228 at Station Square
- Simplex (SigCom) pull station
- SpectrAlert Advance horn/strobe [01]
- SpectrAlert Advance horn/strobe [02]
- View of Pittsburgh from Duquesne Incline [01]
- View of Pittsburgh from Duquesne Incline [02]
- View of Pittsburgh from Duquesne Incline [03]
- View of Pittsburgh from Duquesne Incline [04]
- View of Pittsburgh from Duquesne Incline [05]
- View of Pittsburgh from Duquesne Incline [06]
- View of Pittsburgh from Duquesne Incline [07]
- View of Pittsburgh from Duquesne Incline [08]
- View of Pittsburgh from Grandview Overlook [01]
- View of Pittsburgh from Grandview Overlook [02]
- View of Pittsburgh from Grandview Overlook [03]
- View of Pittsburgh from Grandview Overlook [04]
- View of Pittsburgh from Grandview Overlook [05]
- Grandview Overlook
- Gamewell Century pull station [01]
- Gamewell Century pull station [02]
- Gamewell Century pull station [03]
- View of Pittsburgh from Grandview Overlook [07]