By what authority was Sunday Sabbath-keeping instituted?

Answer

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

How great. is Gods love for the world?
What is the result of godly sorrow?
Where was God to meet with Israel?
When Christ thus ministers the law in the heart, what does it become?
How does David speak of Christ's coming?
By what title is the first state of the church distinguished?
What was to follow the great earthquake?

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