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Sidebotham, S.E. (1986). Roman Economic Policy in the Erythra Thalassa. 30 B.C. - A.D. 217. Mnemosyne. Bibliotheca Classica Batava 91. Leiden: Brill.
Calder, W.M. and A. Demandt (1990). Eduard Meyer. Leben und Leistung eines Universalhistorikers. Mnemosyne. Bibliotheca Classica Batava 112. Leiden: Brill.