By what authority was Sunday Sabbath-keeping instituted?

Answer

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

What is the result of faith's being put to the test?
What commandment guards the honor of the mother?
What specifications of \"the man of sin\" are thus fully met?
How universal is the worship of this power to become?
16. What action of the American Federation of Catholic Societies indicates that Catholics will gladly \"join hands\" with Protestants in enforcing Sunday observance by law?
Out of what will they be judged?
Is there danger of believers losing their hold on Christ?

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