The podcast episodes highlight the importance of primary sources in gaining accurate and nuanced historical knowledge.

Episodes like How to think critically about history and The Price of Collapse advocate for seeking out primary sources, such as autobiographies and local gazetteers, to counter common historical inaccuracies and oversimplifications.

Other episodes like The Best Kept Secret In History? and In Defense of Che Guevara rely heavily on analyzing ancient primary sources, including Greek, Roman, Hebrew, and early Christian texts, to develop their historical arguments.