By what authority was Sunday Sabbath-keeping instituted?

Answer

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

How many are sinners?
When David confessed his sin, what did he say God did?
What did the Apostle Peter associate with baptism in his instruction on the day of Pentecost?
What announcement immediately follows the judgment-hour message of Rev. 14: 6,7?
Through whom did God create the world?
What are we admonished not to do?
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