By what authority was Sunday Sabbath-keeping instituted?

Answer

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

Upon what ground did Nicodemus rest his belief that Christ was a teacher from God?
In the visions of John, what interpretation is given to the woman who sat upon many waters?
How did Jesus show His loyalty to God?
How important is it that we know God?
How does God command us to keep the Sabbath day?
To whom was the book dedicated?
With what statement does the fifth trumpet close?

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