By what authority was Sunday Sabbath-keeping instituted?

Answer

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

How did the people respond to the preaching of John?
In what working of God is faith to be exercised in connection with baptism?
And how should husbands regard their wives?
Did Christ keep the Sabbath?
How is the closing period of tribulation of the church during this time referred to?
For what must men give account in the judgment?
What promises are made by Christ to the overcomer?

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