"Of the Lord's Supper" is a treatise written by John Knox, the Scottish Reformer and theologian, during the Protestant Reformation in the 16th century. In this work, Knox expounds on the theology and practice of the Lord's Supper (also known as the Eucharist or Holy Communion) from a Reformed perspective.

"Christ Glorified As The Builder Of His Church" is a powerful sermon by Charles Spurgeon, the renowned 19th-century Baptist preacher, often referred to as the "Prince of Preachers." In this sermon, Spurgeon expounds on the biblical passage found in Matthew 16:18, where Jesus declares, " I will build my church; and the gates of hell shall not prevail against it."

"The Necessity of Knowing the Original Languages of the Scriptures" is an essay written by Charles Hodge, a prominent 19th-century American theologian. In this essay, Hodge addresses the importance of studying the original languages in which the Bible was written, namely Hebrew for the Old Testament and Greek for the New Testament.

"Ecclesiastical History," commonly known as "Church History," is a significant work by Eusebius of Caesarea, often regarded as the "Father of Church History." Written in the early fourth century, this historical and theological masterpiece provides a comprehensive account of the early Christian Church, tracing its development from its origins to the time of Emperor Constantine.

"Christ the End of the Law" is a theological treatise by John Calvin, the influential Reformation-era theologian and reformer. In this work, Calvin explores the relationship between the Old Testament law and the person and work of Jesus Christ, highlighting Christ's fulfillment of the law's purpose and significance.