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- Language: English
- Year: 2007
- Author: Emperor Charlemagne, Sypeck Jeff
- Language: English
- Year: 2006
- Author: Emperor of Rome Constantine I, Barnes Timothy David
- Language: English
- Year: 2014
Napoleon the Great
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- Author: Emperor of the French Napoleon I, Roberts Andrew
- Language: English
- Year: 2014
Napoleon: a life
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- Author: Emperor of the French Napoleon I, Roberts Andrew
- Language: English
- Year: 2015
- Author: Emperor of Rome Aurelian, Watson Alaric
- Language: English
- Year: 2004
Tiberius
pdf
- Author: Emperor of Rome Tiberius, Seager Robin
- Language: English
- Year: 2007
- Author: Barber Stephen, Reed Jeremy
- Language: English
- Year: 2012
- Author: Holy Roman Emperor Frederick II, Kantorowicz Ernst Hartwig
- Language: English
- Year: 2019