BRIEF [O.A.] Bibaud, J... J... E... Author: Bibaud, J... J... E... Recipient: Haeckel, Ernst Dating: 25.12.1914
BRIEF [O.A.] Moore, A... Bramlay Author: Moore, A... Bramlay Recipient: Haeckel, Ernst Corporation: The Northern Club Dating: 06.04.1914
BRIEF [O.A.] Mc Cormick, R... S... Author: Mc Cormick, R... S... Recipient: Haeckel, Ernst Corporation: The Algoma Central and Hudson Bay Railway Co. Dating: 26.08.1914