By the equator's snowy peak a record of medical missionary work and travel in British East Africa by E May Crawford

http://www.archive.org/details/equatorssnowype00crawuoft

The martyrs of Golbanti : or missionary heroism illustrated in the lives of Rev. John and Mrs. Houghton, of East Africa / by Robert Brewin.

http://www.archive.org/details/martyrsofgolbant00brewiala

Garenganze West and East, a review of twenty-one years' pioneer work in the heart of Africa.

http://www.archive.org/details/garenganze00arnouoft/

Daybreak in Livingstonia; the story of the Livingstonia mission, British Central Africa, by James W. Jack.

http://www.archive.org/details/daybreakinliving011984mbp

John Ludwig Krapf : the explorer-missionary of northeastern Africa / by Paul E. Kretzmann.

http://www.archive.org/details/johnludwigkrapfe00kretiala