By what authority was Sunday Sabbath-keeping instituted?

Answer

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

What is God's love able to do for His children?
What accompanies repentance?
By what are all men to be finally judged?
Which commandment alone of the Decalogue reveals the true God and Author of the law?
What must take place before the dead can praise God?
For what must men give account in the judgment?
Why did not these ancient worthies receive the promise?

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