Allen Guelzo is known for his work on America: Imagine the World Without Her (2014), Big Deal at Gettysburg: The Value of Historical Places (2010) and The Ultimate Guide to the Presidents (2013).
演员
饰：Himself
2020(美国)
2020-09-09(美国)
4.8分
饰：Self - Director of Civil War Era Studies at Gettysburg College,(as Dr. Allen Guelzo)
2018-08-03(美国)
8.1分
饰：Self
2016-03-06(美国)
2015-04-07(美国)
