BRIEF [O.A.] Phillott, D... C... Author: Phillott, D... C... Recipient: Haeckel, Ernst Corporation: Asiatic Society of Bengal Dating: 21.03.1906
BRIEF [O.A.] Wilson, C... R... Author: Wilson, C... R... Recipient: Haeckel, Ernst Corporation: Asiatic Society of Bengal Dating: 30.05.1892
BRIEF OHNE UMSCHLAG Little, C. Author: Little, C. Recipient: Haeckel, Ernst Corporation: Asiatic Society of Bengal Dating: 10.08.1889