BRIEF [O.A.] Ilangakoon, John Henry Author: Ilangakoon, John Henry Recipient: Haeckel, Ernst Dating: 10.10.1882
BRIEF [O.A.] Goonewardene, C... J... Author: Goonewardene, C... J... Recipient: Haeckel, Ernst Dating: 17.02.1893
BRIEF [O.A.] Ilangakoon, J... H... Author: Ilangakoon, J... H... Recipient: Haeckel, Ernst Dating: ??.??.1882
BRIEF [O.A.] Ilangakoon, J... H... Author: Ilangakoon, J... H... Recipient: Haeckel, Ernst Dating: 18.01.1882
BRIEF [O.A.] Ilangakoon, J... H... Author: Ilangakoon, J... H... Recipient: Haeckel, Ernst Dating: 19.12.1882
BRIEF [O.A.] Ilangakoon, J... H... Author: Ilangakoon, J... H... Recipient: Haeckel, Ernst Dating: 30.09.1892
BRIEF [O.A.] Ilangakoon, J... H... Author: Ilangakoon, J... H... Recipient: Haeckel, Ernst Corporation: Maha Walanwa Dating: 21.06.1893
BRIEF [O.A.] Roon, O... H... Henry von Author: Roon, O... H... Henry von Recipient: Haeckel, Ernst Dating: 26.01.1892