Books in Christianity (sorted alphabetically by author)
- The Prayer Book Explained Percival Jackson
- The Old Franciscan Missions Of California George Wharton James
- The Apology of the Church of England John Jewel
- The Ancient Church: Its History, Doctrine, Worship, and Constitution W. D. Killen
- Discipline and Other Sermons Charles Kingsley
- Westminster Sermons Charles Kingsley
- The Water of Life, and Other Sermons Charles Kingsley
- Twenty-Five Village Sermons Charles Kingsley
- Town and Country Sermons Charles Kingsley
- Sermons on National Subjects Charles Kingsley
- Sermons for the Times Charles Kingsley
- All Saints' Day and Other Sermons Charles Kingsley
- Sermons on the Card, and Other Discourses Hugh Latimer
- The Practice of the Presence of God the Best Rule of a Holy Life Brother of the Resurrection Lawrence
- Paula the Waldensian Eva Lecomte
- Sermons on Various Important Subjects Andrew Lee
- The National Preacher, Vol. 2 No. 7 Dec. 1827 Aaron W. Leland and Elihu W. Baldwin
- The Messiah in Moses and the Prophets Eleazar Lord
- The Otterbein Hymnal Edmund S. Lorenz
- マルチン・ルターの小信仰問答書 (Japanese) Martin Luther
- The Smalcald Articles Martin Luther
- Selections from the Table Talk of Martin Luther Martin Luther
- An Open Letter on Translating Martin Luther
- Luther's Little Instruction Book: The Small Catechism of Martin Luther Martin Luther
- Martin Luther's Large Catechism, translated by Bente and Dau Martin Luther