BRIEF [O.A.] Gierlichs, Florentine Author: Gierlichs, Florentine Recipient: Haeckel, Ernst Dating: 05.01.1912
BRIEF [O.A.] Gierlichs, Florentine Author: Gierlichs, Florentine Recipient: Haeckel, Ernst Dating: 05.03.1912
BRIEF [O.A.] Gierlichs, Florentine Author: Gierlichs, Florentine Recipient: Haeckel, Ernst Dating: 16.03.1912
BRIEF [O.A.] Gierlichs, Florentine Author: Gierlichs, Florentine Recipient: Haeckel, Ernst Dating: 17.03.1914
BRIEF [O.A.] Gierlichs, Florentine Author: Gierlichs, Florentine Recipient: Haeckel, Ernst Dating: ??.02.????
BRIEF [O.A.] Gierlichs, Florentine Author: Gierlichs, Florentine Recipient: Haeckel, Ernst Dating: 22.06.1905
BRIEF [O.A.] Gierlichs, Florentine Author: Gierlichs, Florentine Recipient: Haeckel, Ernst Dating: 01.07.1911
BRIEF [O.A.] Gierlichs, Florentine Author: Gierlichs, Florentine Recipient: Haeckel, Ernst Dating: 19.08.1911
BRIEF [O.A.] Gierlichs, Florentine Author: Gierlichs, Florentine Recipient: Haeckel, Ernst Dating: 12.09.1911