Handschriften, Autographen, Bilder → 2 Titel in NL Dyroff 53: Korrespondenzen

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  Brief an Professor [Adolf Dyroff]

  Spix, Alphons ; Dyroff, Adolf

  Aachen, 27.07.1913 [27.VII 1913]
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  Briefkarte an Professor [Adolf Dyroff]

  Paschen, Otto Klemens ; Dyroff, Adolf

  Aachen, 20.04.1915 [20. April 1915]