By what authority was Sunday Sabbath-keeping instituted?

Answer

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

Following one of His parables, what did Christ say?
How early were the Scriptures taught to Timothy?
How was the little horn to treat God's people?
What did this nearness of the time of restoration from captivity lead Daniel to do?
How many must meet the test of the judgment?
What effect did this answer have upon the Jews?
How perfect would God have us become?

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