By what authority was Sunday Sabbath-keeping instituted?

Answer

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

In receiving the Son what do we have in Him?
What is inseparable from the experience of justification by faith?
To what insults was Christ subjected at the house of the high priest?
What, therefore, did God say He would make?
When we see all these things, what are we to know?
How did Christ speak of the gathering of the Gentiles?
With what feelings does the Lord look upon His children?

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