Five pillars of Islam, by Kh. Kamal-ud-Din ... (From the Islamic review).

http://www.archive.org/details/fivepillarsofisl00kamauoft

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

Islam and missions : being papers read at the Second Missionary Conference on behalf of the Mohammedan World at Lucknow, January 23-28, 1911 / edited by E.M. Wherry, S.M. Zwemer, C.G. Mylrea.

http://www.archive.org/details/islamandmissions012033mbp

Islam and other religions, by Al-Hajj Khwaja Kamal-ud-Din.

http://www.archive.org/details/islamandotherrel00kamauoft