By what authority was Sunday Sabbath-keeping instituted?

Answer

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

How did the people of Samaria publicly testify to their faith in the preaching of Philip?
What will result if correction is withheld?
Who minister to God, and assist in the judgment?
How does Nehemiah describe the giving of the law at Sinai ?
What shows that God imputed sin to Cain?
Under what striking symbol was all this foretold?
How is their watch-care over God's people expressed?

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