Pemba, the spice island of Zanzibar /

: "At the end of January, 1911 ... I was asked to undertake the survey of Pemba island for the Zanzibar government." -- pages 13.
"First published in 1913."
Includes index. : 358 pages, 1 l. : front. (port. group) plates, fold. maps ; 23 cm. : 13026191