By what authority was Sunday Sabbath-keeping instituted?

Answer

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

With whom are the children of God joint heirs?
What three essentials for a Saviour are found in Christ?
Upon whom is God's fury to be poured?
What was contained in the second apartment?
How often will they congregate to worship the Lord?
When cast into the lions' den, how did Daniel say he had been saved from death?
In order to grow by the Word of God, what must one do?

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