Euler, LeonhardKarsten, Wenceslaus Johann Gustav, adressaat2008-01-242008-01-241762-05-13F 3,Mrg CCCLIVa,Ep.phil.II,l.123-124http://hdl.handle.net/10062/5407LetterBriefKiriKiri W. J. G. Karsten'ile, Berlin