BRIEF OHNE UMSCHLAG Marchal, Edmond Author: Marchal, Edmond Recipient: Haeckel, Ernst Corporation: Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique Dating: 12.01.1898
BRIEF OHNE UMSCHLAG Allen, Frank James (18454-1942) Author: Allen, Frank James (18454-1942) Recipient: Haeckel, Ernst Corporation: Mason University College Dating: 01.11.1898
BRIEF OHNE UMSCHLAG Allmers, Hermann Author: Allmers, Hermann Recipient: Haeckel, Ernst Dating: 14.02.1898
BRIEF OHNE UMSCHLAG Allmers, Hermann Author: Allmers, Hermann Recipient: Haeckel, Ernst Dating: 15.04.1898
BRIEF OHNE UMSCHLAG Allmers, Hermann Author: Allmers, Hermann Recipient: Haeckel, Ernst Dating: 12.10.1898
BRIEF OHNE UMSCHLAG Allmers, Hermann Author: Allmers, Hermann Recipient: Haeckel, Ernst Dating: 14.10.1898