| JSTOR Ref | ||||
|---|---|---|---|---|
| G.J. Marcus | The Northern Seas;shipping and commerce in Northern Europe, A.D. 300-1100, by A. R. Lewis | 28.3 (1959), 230-230 |
DOI:10.2307/43626835 JSTOR |
| JSTOR Ref | ||||
|---|---|---|---|---|
| G.J. Marcus | The Northern Seas;shipping and commerce in Northern Europe, A.D. 300-1100, by A. R. Lewis | 28.3 (1959), 230-230 |
DOI:10.2307/43626835 JSTOR |