My mission to Abyssinia : with map and illustrations.

von Portal, Gerald Herbert
London : Arnold, 1892.
Umfang/Format: VI, 261 S., Ill., Kt. ; 23 cm.

The British Mission to Uganda in 1893 : edited with a memoir by Rennell Rodd ; introduction by Lord Cromer.

von Portal, Gerald Herbert
London : Arnold, 1894.
Umfang/Format: XLVI, 351 S. ; 23 cm.