BRIEF [O.A.] Hatch, Edward R... Author: Hatch, Edward R... Recipient: Haeckel, Ernst Dating: 10.06.1914
BRIEF [O.A.] Wakeman, Thaddeus Burr Author: Wakeman, Thaddeus Burr Recipient: Haeckel, Ernst Corporation: The Torch of Reason Dating: 18.07.1901
BRIEF [O.A.] Wakeman, Thaddeus Burr Author: Wakeman, Thaddeus Burr Recipient: Haeckel, Ernst Corporation: Liberal University of Oregon Dating: 21.12.1900