•
Wirtschaftliche Schwanklungen der Zeit von Alexander bis Augustus, Jena 1930 (
Economic Fluctuations from the time of Alexander to that of Augustus). •
Die auswärtige Bevölkerung im Ptolemäerreich, Leipzig 1925 (
Foreign Inhabitants of Ptolemaic Empire). •
The Adler Papyri (London, 1939). •
Sylloge Nummorum Graecorum, Vol. 4, Parts 1-6 (London, 1940–65). •
Roman Coins from Iceland,
Antiquity 26, pp. 43–45. •
An Ancient economic history, 2 vols., Leiden, first edition 1938, second edition 1968. •
A History of the Roman People Prentice-Hall, first edition 1962, second edition 1984, third edition 2003. ==See also==