By what authority was Sunday Sabbath-keeping instituted?

Answer

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

How many were embraced in God's promises to Abraham?
Who is brought before the Father at this time?
What did Joseph, in Egypt, say when tempted to sin?
What, according to prophecy, was to be Christ's attitude toward the law?
6. What would have been the result to the dead had not Christ procured their release from the grave?
Why are the Scriptures given?
What are we admonished to overcome?

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