1:16:15

Lunchtime Lecture- Interesting Infrastructure: Four Unique Mid-Atlantic Canals

1:24:55

2023-07-11 A History of the Steps of Pittsburgh

1:08:29

For Profit Cooperatives: How Do They Work? - 1/26/18

1:10:44

Deeper Dive: High Bridge Book Event and Panel Discussion

6:15

Bill Elliott's Carnegie Mellon Memorablia

1:14:59

History at Home: Scientific American: Architects and Builders Edition

1:13:01

2023-12-12 Writing and Illustrating America and the Holocaust

13:55

Special Public Meeting of the Board of Trustees 4.3.2023