Unger, Richard W. |
The art of medieval technology : images of Noah the shipbuilder / Richard W. Unger |
New Brunswick : Rutgers university press, c1991. |
Cartography in antiquity and the Middle Ages : fresh perspectives, new methods / edited by Richard J.A. Talbert and Richard W. Unger |
Leiden : Brill, 2008. |
Unger, Richard W. |
Ships and shipping in the North sea and Atlantic, 1400-1800 / Richard W. Unger |
Aldershot : Ashgate, c1997. |
Unger, Richard W. |
Ships on maps : pictures of power in Renaissance Europe / Richard W. Unger |
Houndsmills : Palgrave Macmillan, 2010. |
Unger, Richard W. |
Warships and cargo ships in medieval Europe / Richard W. Unger |
In: Technology and culture Vol. 22 (1981), p. 233-252 |
Unger, Richard W. |
Workshop on the history of science and technology : University of british Columbia, October 1971 / Richard W. Unger |
In: Technology and culture Vol. 13 (1972), p. 622-625 |