ローマ皇帝一覧
Ross, Martha. Rulers and Governments of the World, Vol.1, Earliest Times to 1491, Bowker, 1978, ISBN 0859350215.
Scarre, Chris. & Shaw, Brandon. Chronicle of the Roman Emperors, Thames & Hudson, 1995, Reprinted 2001, ISBN 0500050775.
Starr, Chester G. A History of the Ancient World, Second Edition, Oxford University Press, 1974.
Tacitus, The Annals of Imperial Rome, Penguin Classics, Michael Grant Publications Ltd., 1971, Reprinted 1985, ISBN 0140440607.
Tapsell, R. F. Monarchs Rulers Dynasties and Kingdoms of The World, Thames & Hudson, 1981, Reprinted 1987, ISBN 0500273375.