By what authority was Sunday Sabbath-keeping instituted?

Answer

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

What other title is given this revelation of God to man?
In connection with Christian baptism, what is washed away?
How futile was all this?
What was done with the blood of the goat upon which the Lord's lot fell?
What prophecy spoke of their return from captivity?
What were the names of these seven churches?
In whom are we complete?

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