POSTKARTE Rautenfeld, Paul von Author: Rautenfeld, Paul von Recipient: Haeckel, Ernst Dating: 07.09.1915
POSTKARTE Rautenfeld, Paul von Author: Rautenfeld, Paul von Recipient: Haeckel, Ernst Dating: 01.09.1915
POSTKARTE Rautenfeld, Paul von Author: Rautenfeld, Paul von Recipient: Haeckel, Ernst Dating: 29.08.1915
ANSICHTSKARTE Rautenfeld, Paul von Author: Rautenfeld, Paul von Recipient: Haeckel, Ernst Dating: 31.08.1915
POSTKARTE Rautenfeld, Paul von Author: Rautenfeld, Paul von Recipient: Haeckel, Ernst Dating: 21.09.1915
POSTKARTE Rautenfeld, Paul von Author: Rautenfeld, Paul von Recipient: Haeckel, Ernst Dating: 18.09.1915
POSTKARTE Rautenfeld, Paul von Author: Rautenfeld, Paul von Recipient: Haeckel, Ernst Dating: 16.09.1915
BRIEF OHNE UMSCHLAG Ouwens, Pieter Antonie Author: Ouwens, Pieter Antonie Recipient: Haeckel, Ernst Dating: 15.01.1901
BRIEF OHNE UMSCHLAG Ouwens, Pieter Antonie Author: Ouwens, Pieter Antonie Recipient: Haeckel, Ernst Dating: 30.11.1902