Royal Geographical Society (Great Britain); Almeida, Francisco José de Lacerda e.; Burton, Richard Francis; Baptista, Pedro João; José, Amaro; Beadle, R. A.; Beke, Charles T.
Royal Geographical Society (Great Britain); Almeida, Francisco José de Lacerda e.; Burton, Richard Francis; Baptista, Pedro João; José, Amaro; Beadle, R. A.; Beke, Charles T.
Royal Geographical Society (Great Britain); Almeida, Francisco José de Lacerda e.; Burton, Richard Francis; Baptista, Pedro João; José, Amaro; Beadle, R. A.; Beke, Charles T.