Travels, researches, and missionary labours during an eighteen years' residence in Eastern Africa together with journeys to Jagga, Usambara, Ukambani, Shoa, Abessinia and Khartoum, and a coasting voyage from Mombaz to Cape Delgado
Krapf, J. L.(Johann Ludwig),1810-1881.
Cass
1968
Previous ed., Trub̈ner, 1860