LIGHTFOOT, C. S. Trajan's Parthian War and the Fourth-Century Perspective*. The Journal of Roman Studies. 1990-11, roč. 80, s. 115–126. Dostupné online [cit. 2023-05-14]. ISSN1753-528X. DOI10.2307/300283. (anglicky)
LIGHTFOOT, C. S. Trajan's Parthian War and the Fourth-Century Perspective*. The Journal of Roman Studies. 1990-11, roč. 80, s. 115–126. Dostupné online [cit. 2023-05-14]. ISSN1753-528X. DOI10.2307/300283. (anglicky)
LIGHTFOOT, C. S. Trajan's Parthian War and the Fourth-Century Perspective*. The Journal of Roman Studies. 1990-11, roč. 80, s. 115–126. Dostupné online [cit. 2023-05-14]. ISSN1753-528X. DOI10.2307/300283. (anglicky)