By what authority was Sunday Sabbath-keeping instituted?

Answer

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

How was Christ to be received by His own people?
How futile is it to attempt to hide sin from God?
Because some thought He had come to destroy the law, what did Christ say?
6. Until what time were the saints, times, and law of the Most High to be given into the hands of the little horn?
Why are we admonished to fear God and keep His commandments?
Why was the ceremonial law taken away?
What did it lead Moses to do?

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