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