55:19

Doris Kearns Goodwin on Roosevelt & Taft

58:44

David McCullough: Americans in Paris

1:02:40

David McCullough on John Adams

1:05:05

Doris Kearns Goodwin: 2018 National Book Festival

50:33

David McCullough: 2017 National Book Festival

43:53

Erik Larson: Hubris at the Dawn of the Civil War

53:00

Conversation with Carl Elliott

3:47:54

History of Science Society Conference