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Regulation
Breyer, Stephen, (1986)
Helm, Dieter, (2006)
Richardson, Alan J., (2009)
Statistical summary of vessels of all nations, of 100 tons and upwards, totally lost, condemned, &c., during the year ...
(1911)
Returns of vessels totally lost, condemned, &c.
(1914)
Statistical summary of merchant vessels of 100 tons and upwards : totally lost, broken up, &c., (including war losses) during the year ...
(1950)