Letters On The Slave-Trade, And The State Of The Natives In Those Parts Of Africa, Which Are Contiguous To Fort St. Louis And Goree, Written At Paris In December 1789, And January 1790. By T. Clarkson.
Der Kaiserlichen Societät Der Naturforscher Zu Moskau Zu Der Am 23ten December 1855 A. St. (4ten Januar 1856) Staatfindenten Feier Ihres Funfzigjährigen Bestehens