Deubner, Johann JacobSchilling, Hermann Ernst, adressaatMorgenstern, Karl, adressaat2007-11-132007-11-131831F 3, Mrg CCCXLII,kd.11,l.122-123http://hdl.handle.net/10062/4521KiriLetterBriefSoovituskiri H. E. Schilling`ile, Riga