BRIEF [O.A.] Cordeiro, Luciano Author: Cordeiro, Luciano Recipient: Haeckel, Ernst Corporation: La Sociedade de Geographia de Lisboa Dating: 30.09.1899
BRIEF [O.A.] Bethencourt Ferreira, J... Author: Bethencourt Ferreira, J... Recipient: Haeckel, Ernst Corporation: Universidade de Lisboa, Faculdade de Sciencias, Museu Bocage Dating: 16.10.1913
BRIEF [O.A.] Bethencourt Ferreira, J... Author: Bethencourt Ferreira, J... Recipient: Haeckel, Ernst Corporation: Universidade de Lisboa, Faculdade de Sciencias, Museu Bocage Dating: 04.11.1913
BRIEF [O.A.] Barboye du Bocage, José Vicente Author: Barboye du Bocage, José Vicente Recipient: Haeckel, Ernst Dating: 26.12.1870
BRIEF OHNE UMSCHLAG Barboye du Bocage, José Vicente Author: Barboye du Bocage, José Vicente Recipient: Haeckel, Ernst Dating: 20.12.1873
BRIEF [O.A.] Bombarda, Miguel Author: Bombarda, Miguel Recipient: Haeckel, Ernst Corporation: Hospital de Rilhafolles Dating: 13.03.1898
BRIEF [O.A.] Bombarda, Miguel Author: Bombarda, Miguel Recipient: Haeckel, Ernst Corporation: Hospital de Rilhafolles Dating: 08.04.1898