The Christian Sabbath
O.C.S. Wallace (1856–1946), in his exposition of the New Hampshire Confession of Faith, gives a sound explanation of the essence and the moral duties associated with the Lord's Day Christian Sabbath.
Lord's Day
Beware of Forsaking the Sabbath
J.C. Ryle (1816–1900) warns against disregarding the Fourth Commandment, and how the path of profaning the Sabbath will eventually lead to apostasy.
I Love the Lord's Day
Robert Murray M'Cheyne gives reasons why the Lord's Day is treasured by believers, and exhorts Christians to prize and defend it against the profanations of backsliders and worldly men.
Romans 14:5 and the Weekly Sabbath
John Murray (1898–1975) analyzes several implications stemming from a popular yet false interpretation of Romans 14:5, and then argues that the passage in no way undermines the Fourth Commandment.
The Sabbath
John Murray (1898–1975) explains that since the Sabbath is directly associated with redemption from Egypt which foreshadows the greater redemption in Christ, the New Covenant, far from abrogating the Fourth Commandment, establishes, heightens, and enforces it.
Of the Lord's Day, Sermons, and Weekdays
John Bunyan exhorts Christians to keep the Lord's Day holy, attend to public worship with due reverence, maintain a studious Christian life, and diligently start and end each day with serious reflection.