Bayer, Gottlieb SiegfriedMascov, Johann Jakob, adressaat2009-02-022009-02-021736-02-05F 3,Mrg CCCLIVa,Ep.phil.V,l.22-23http://hdl.handle.net/10062/8472LetterBriefKiriKiri J. J. Mascov`ile, Petropoli