| 19. | M.J. Nicasie Twilight of Empire, The Roman army from the reign of Diocletian until the battle of Adrianople Amsterdam, 1998 |
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| 20. | Paul Erdkamp Hunger and the sword, Warfare and food supply in Roman republican wars (264 - 30 B.C.) Amsterdam, 1998 |
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| 22. | Gerda de Kleijn The Water Supply of Ancient Rome, City Area, Water, and Population Amsterdam, 2001 |
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