By what authority was Sunday Sabbath-keeping instituted?

Answer

By the authority of the Catholic Church. See page 131.

What is God called in the Scriptures?
Upon what ground does God's work for sinners rest?
What do those born of God not do?
If John, therefore, referred to a day of the week, on what day must he have been in the Spirit?
What complaint is made against Sunday trains and Sunday newspapers?
Do they take any part in earthly things?
What will be the privilege of those who enter there?

Questions & Answers are from the book Bible Readings for the Home Circle