BRIEF [O.A.] Neupauer, Joseph Ritter von Author: Neupauer, Joseph Ritter von Recipient: Haeckel, Ernst Dating: 08.01.1908
BRIEF [O.A.] Neupauer, Joseph Ritter von Author: Neupauer, Joseph Ritter von Recipient: Haeckel, Ernst Dating: 23.03.1908
BRIEF [O.A.] Neupauer, Joseph Ritter von Author: Neupauer, Joseph Ritter von Recipient: Haeckel, Ernst Dating: 26.03.1908