Humboldt, Alexander vonLe Chevalier, adressaatLechevalier, Jean-Baptiste, adressaat2007-11-132007-11-131809F 3, Mrg CCCXLII,kd.11,l.271-272http://hdl.handle.net/10062/4549KiriLetterBriefKiri Jean-Baptiste Lechevalier`le