POSTKARTE Gabriel, Gábor Raimund Author: Gabriel, Gábor Raimund Recipient: Haeckel, Ernst Dating: 12.04.1911
POSTKARTE Gabriel, Gábor Raimund Author: Gabriel, Gábor Raimund Recipient: Haeckel, Ernst Dating: 13.12.1913
POSTKARTE Gabriel, Gábor Raimund Author: Gabriel, Gábor Raimund Recipient: Haeckel, Ernst Dating: 17.12.1913
POSTKARTE Gabriel, Gábor Raimund Author: Gabriel, Gábor Raimund Recipient: Haeckel, Ernst Dating: 25.12.1913
POSTKARTE Gabriel, Gábor Raimund Author: Gabriel, Gábor Raimund Recipient: Haeckel, Ernst Dating: 31.12.1913
POSTKARTE Fickert, Emil Author: Fickert, Emil Recipient: Haeckel, Ernst Corporation: Neues Frauenleben Dating: 29.12.1910