BRIEF OHNE UMSCHLAG Scheffauer, Herman Author: Scheffauer, Herman Recipient: Haeckel, Ernst Dating: 20.11.1913
BRIEF OHNE UMSCHLAG Scheffauer, Herman Author: Scheffauer, Herman Recipient: Haeckel, Ernst Dating: 17.04.1913
BRIEF OHNE UMSCHLAG Scheffauer, Herman Author: Scheffauer, Herman Recipient: Haeckel, Ernst Dating: 14.05.1913
BRIEF OHNE UMSCHLAG Scheffauer, Herman Author: Scheffauer, Herman Recipient: Haeckel, Ernst Dating: 24.08.1913
BRIEF OHNE UMSCHLAG Scheffauer, Herman Author: Scheffauer, Herman Recipient: Haeckel, Ernst Dating: 30.10.1913
BRIEF OHNE UMSCHLAG Scheffauer, Herman Author: Scheffauer, Herman Recipient: Haeckel, Ernst Dating: 10.08.1913
BRIEF [O.A.] Green, L... H... Author: Green, L... H... Recipient: Haeckel, Ernst Corporation: The Training College Dating: 03.04.1913
BRIEF [O.A.] Bolce, Harold Author: Bolce, Harold Recipient: Haeckel, Ernst Corporation: Editorial Offices, Nash's Magazine Dating: 04.03.1913