References
Footnote
- Jutikkala , E. 1956 . Scand. Econ. Hist. Rev. , iv ( 2 ) : 183 – 5 . in
- Hautala , Kustaa . 1963 . European and American Tar in the English Market during the Eighteenth and Early Nineteenth Centuries (Annales Academiœ Scientiarum Fennicœ Ser. B, Tom. 130) 195 – 195 . Helsinki