Jf. National Archives of Malta, Magna Curia Castellania, Reg. Patentarum (de maltesiske karantænemyndigheders lister over skibsafsejlinger fra Vallettas havn; her dokumenteres Thetis afrejse 17.1.1797), jf. Sven Sørensen & Joseph Schirò (ed.): Malta 1796-1797, Thorvaldsen’s Visit. Based on the unpublished diary of Peder Pavels, Malta 1996., p. 100.