BRIEF OHNE UMSCHLAG Aegidi, Ludwig Karl Author: Aegidi, Ludwig Karl Recipient: Haeckel, Ernst Dating: 31.07.1860
BRIEF OHNE UMSCHLAG Aegidi, Ludwig Karl Author: Aegidi, Ludwig Karl Recipient: Haeckel, Ernst Dating: 13.11.1860
BRIEF OHNE UMSCHLAG Aegidi, Ludwig Karl Author: Aegidi, Ludwig Karl Recipient: Haeckel, Carl Gottlob Dating: 10.11.1860
BRIEF OHNE UMSCHLAG Aegidi, Ludwig Karl Author: Aegidi, Ludwig Karl Recipient: Haeckel, Carl Gottlob Dating: 13.11.1860
BRIEF OHNE UMSCHLAG Schenk, August Author: Schenk, August Recipient: Haeckel, Ernst Dating: 25.09.1860
BRIEF OHNE UMSCHLAG Aegidi, Ludwig Karl Author: Aegidi, Ludwig Karl Recipient: Haeckel, Ernst Dating: 10.11.1860