See this online text:
- De Rationibus Fidei: Reasons for the Faith Against Muslim Objections (and one objection of the Greeks and Armenians), to the Cantor of Antioch, by Saint Thomas Aquinas, O.P. (1264 AD), translated by Joseph Kenny, O.P..
- May be read online (on this page) at Dominican House of Studies Priory of the Immaculate Conception; at the Wayback Machine (1 January 2013 snapshot from the website of Fr. Joseph Kenny, O.P.); and at Catholic Apologetics Information.
- The reprint by St. Francis Magazine, Vol. 6, No. 4 (August 2010) is available in PDF format at the Wayback Machine (5 June 2016 snapshot of the relevant page at St. Francis Magazine.
- [N.B., St. Francis Magazine, which has many resources for evangelizing Muslims, appears to be non-Catholic in provenance; while Catholic Apologetics Information appears to espouse a hermeneutic of discontinuity. Please approach other materials thereon with prayerful caution.]
Posted on the Feast of St. John of Damascus, with fervent prayer that all Muslims may at last be converted to our divine Lord and Savior Jesus Christ and be baptized into His body, the one true and Catholic Church, for the glory of God and their eternal salvation.