|  |
Notes on the White Sea trade in tar and timber 1785-1860 | Analytt | 656.6.001.5(261.26)(058) A
Åström, Sven-Erik / I: Association for the History of the Northern Seas: Northern Seas. Yearbook 1994. - Esbjerg, 1994. - S.23-32 | Åström, Sven-Erik | 1994 |
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The origins of Britain's tar and pitch imports 1700-1920 : the role of maritime freights in patterns of trade and production | Analytt | 656.6.001.5(261.26)(058) A
Layton, Ian G. / I: Association for the History of the Northern Seas. Yearbook 1996. - Esbjerg, 1996. - S.72-104 | Layton, Ian G. | 1996 |