• The Original Sources of the Qur'an (Comprehensive, 287 pages, 1905) [also available "page by page"]
• The Sources of Islam is Tisdall's earlier book (from 1900) on the same topic. It contains already most of the important material, but being only a third in size (about 100 pages) is not as thoroughly documented as the later edition (it also has a few minor mistakes that have been corrected in the later edition), but this is the version that has been reprinted many times, probably because it is much quicker to read.
• A Word to the Wise: Being a defence of the "Sources of Islam" in response to two Muslim reactions to his above book.
• "The Book" of the "People of the Book"
• A Manual of the Leading Muhammadan Objections to Christianity
• The Religion of the Crescent or Islam: Its Strength, Its Weakness, Its Origin, Its Influence
• Shi'ah Additions To The Koran
• Most of the books by C. G. Pfander were also translated or edited by Rev. Tisdall

Biographical notes on William St. Clair Tisdall

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