By what authority was Sunday Sabbath-keeping instituted?

Answer

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

What does the imputed righteousness of Christ enable God to do, and still be just?
What saved the people from the predicted overthrow?
9. What testimony did the Apostle Peter bear concerning his experience on the mount of transfiguration?
How was this little horn to exalt itself against Christ and His mediatorial work?
4. What explanation did Moses give the rulers of Israel concerning the withholding of the manna on the seventh day in the wilderness of Sin, before they reached Sinai?
What day is especially indicated as the day to prepare for the Sabbath?
Whom did Christ indicate as fulfilling this prophecy?

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