KARTE Meyer, Elisabeth Author: Meyer, Elisabeth Recipient: Haeckel, Ernst; Haeckel, Agnes [Eltern] Dating: 1898.??.?? [?]
KARTE Meyer, Elisabeth Author: Meyer, Elisabeth Recipient: Haeckel, Ernst; Haeckel, Agnes [Eltern] Dating: 12.01.1909
BRIEF [O.A.] Meyer, Elisabeth Author: Meyer, Elisabeth Recipient: Haeckel, Ernst; Haeckel, Agnes [Eltern] Dating: 03.03.1912
BRIEF OHNE UMSCHLAG Meyer, Elisabeth Author: Meyer, Elisabeth Recipient: Haeckel, Agnes; Haeckel, Emma Dating: 02.09.1888
