By what authority was Sunday Sabbath-keeping instituted?

Answer

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

How does David express this same truth?
16. When the prodigal son, in the parable, repented and turned toward home, what did his father do?
Who appeared to accuse Christ before Herod?
22. What prophetic period begins at the time when the continual mediation of Christ was taken away by the Papacy?
What is the essential principle of the law of God?
How long was the Sabbath to be a sign of the true God?
How does Satan deceive the people?

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