BRIEF [O.A.] Montagne Brown, Yeats Author: Montagne Brown, Yeats Recipient: Haeckel, Ernst Corporation: Her Britannnic Majesty's Consulate Dating: 20.09.1880
BRIEF [O.A.] Montagne Brown, Yeats Author: Montagne Brown, Yeats Recipient: Haeckel, Ernst Corporation: Her Britannnic Majesty's Consulate Dating: 17.11.1880
BRIEF OHNE UMSCHLAG Bose, Karl August Graf Author: Bose, Karl August Graf Recipient: Haeckel, Ernst Dating: 13.01.1884
BRIEF OHNE UMSCHLAG Bose, Karl August Graf Author: Bose, Karl August Graf Recipient: Haeckel, Ernst Dating: 20.01.1884
BRIEF OHNE UMSCHLAG Bose, Carl August Graf Author: Bose, Carl August Graf Recipient: Haeckel, Ernst Dating: 29.01.1884
BRIEF [O.A.] Montagne Brown, Yeats Author: Montagne Brown, Yeats Recipient: Haeckel, Ernst Dating: 17.01.1881