Christian missions and a new world culture

http://www.archive.org/details/christianmission027881mbp

A Moslem seeker after God: showing Islam at its best in the life and teaching of al-Ghazali, mystic and theologian of the eleventh century, by Samuel M. Zwemer ...

http://www.archive.org/details/amoslemseeker00zwemuoft

The making of modern missions, by Stacy R. Warburton.

http://www.archive.org/details/makingofmodernmi011868mbp