By Adrian Goldsworthy- Caesar, Life of a Colossus (2006). Yale University Press. 

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By Plutarch, introduction, translated & edited by Timothy Duff, translated by Ian Scott-Kilvert- The Age of Alexander (2012). Penguin Classics.

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By Matthew Dennison- The Twelve Caesars (2012). Atlantic Books. 

 

By Paul Kahn, adapted from Francis Woodman Cleaves translation- The Secret History of the Mongols: The Origin of Chingis Khan (2005). Cheng & Tsui.

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By Patricia Southern- Julius Caesar: A Life (2019). Amberley Publishing.

 

By Arrian, translated by Martin Hammond, introduction & notes by John Atkinson- Alexander the Great, The Anabasis and the Indica (2013). Oxford World's Classics.

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By Bijan Omrani- Caesar's Footprints, Journeys to Roman Gaul (2017). Head of Zeus Ltd.

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By Suetonius, translated by Robert Greaves, revised introduction by James B. Rives- The Twelve Caesars (2007). The Penguins Classics. 

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By Quintus Curtius Rufus, introduction & editing by Waldemar Heckel, translated by John Yardley- The History of Alexander (1984). Pengiun Classics. 

 

By Frank McLynn- Genghis Khan: The Man Who Conquered the World (2015). The Bodley Head.

 

By Julius Caesar, translated by S.A. Handford & Jane Gardner- The conquest of Gaul (1951), revised with a new introduction 1982). The Penguin Group.