The Moravian missions in Ohio. By Francis C. Huebner.

http://www.archive.org/details/moravianmissions014001mbp

Diary of David Zeisberger a Moravian missionary among the Indians of Ohio

http://www.archive.org/details/diaryofdavid01zeisrich http://www.archive.org/details/diaryofdavid02zeisrich

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

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

The Missionary pioneer, or, A brief memoir of the life, labours, and death of John Stewart, (man of colour) founder, under God of the mission among the Wyandotts at Upper Sandusky, Ohio / Published by Joseph Mitchell.

http://www.archive.org/details/missionarypionee00stewrich