By what authority was Sunday Sabbath-keeping instituted?

Answer

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

In whose image was man created?
Can anything separate the true child of God from the love of God?
What did Pilate propose to do when Christ was again brought before him?
What answer was addressed to Daniel?
Why are we admonished to fear God and keep His commandments?
What promise, through the prophet Malachi, does the Lord make concerning Elijah?
How should we sympathize with others in their sorrows?

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