55:19

Doris Kearns Goodwin on Roosevelt & Taft

1:02:40

David McCullough on John Adams

50:33

David McCullough: 2017 National Book Festival

57:27

David McCullough: 2019 National Book Festival

45:22

Doris Kearns Goodwin: An Unfinished Love Story

59:04

The Lincoln Deception

40:22

David McCullough: 2015 National Book Festival

1:02:19

Giant in the Shadows: The Life of Robert T. Lincoln