Naval power and trade in the Mediterranean, A.D. 500-1100.

von Lewis, Archibald Ross, 1914-
Princeton studies in history, 5
Princeton, Princeton University Press, 1951.
Umfang/Format: xii, 271 p. c. geogr. 25 cm

The Northern seas : shipping and commerce in Northern Europe A.D. 300-1100

von Lewis, Archibald Ross, 1914-
Princeton, N.J. :, 1958.
Umfang/Format: xi, 498 p. : maps ; 24 cm.