BRIEF [O.A.] Tyrrell Leith, E... Author: Tyrrell Leith, E... Recipient: Haeckel, Ernst Dating: ??.??.1881
BRIEF [O.A.] Tyrrell Leith, E... Author: Tyrrell Leith, E... Recipient: Haeckel, Ernst Dating: 15.11.1881
BRIEF [O.A.] Tyrrell Leith, E... Author: Tyrrell Leith, E... Recipient: Haeckel, Ernst Dating: 15.10.1887
POSTKARTE Tyrrell Leith, E... Author: Tyrrell Leith, E... Recipient: Haeckel, Ernst Dating: 29.08.1887
BRIEF [O.A.] Tyrrell Leith, E... Author: Tyrrell Leith, E... Recipient: Haeckel, Ernst Dating: 12.05.1886
BRIEF [O.A.] Tyrrell Leith, E... Author: Tyrrell Leith, E... Recipient: Haeckel, Ernst Corporation: High Court Dating: 16.05.1886
BRIEF [O.A.] Tyrrell Leith, E... Author: Tyrrell Leith, E... Recipient: Haeckel, Ernst Dating: 10.09.1886