44:22

Annette Gordon-Reed: 2015 National Book Festival

50:58

The Value of the Enslaved from Womb to Grave

1:04:39

The Original Black Elite: Daniel Murray & the Story of a Forgotten Era

58:54

How Historical Moments Influenced the Modern US Congress

59:57

From Paper to Pixels: The Evolution of Ocean Mapping and Exploration

1:15:17

Luís de Camões at the Library of Congress

1:31:52

Morton Subotnick and the Buchla 100

1:05:16

The Depth of the Challenge: Why Force Alone Will Not Defeat Islamist Extremism