By what authority was Sunday Sabbath-keeping instituted?

Answer

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

What is the only unpardonable sin?
What change is wrought by beholding Jesus?
How does the Revelator describe this satanic desire to destroy Christ?
What was to he the character of the little horn?
Is it the duty of gospel ministers to execute vengeance?
What will be the fourth plague?
Concerning what have we been definitely informed?

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