By what authority was Sunday Sabbath-keeping instituted?

Answer

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

How long will the Word of God endure?
How is such a baptism described?
Which are some of the most touching and soul-winning of Christ's parables?
Whose Spirit inspired their utterances?
Of what were the different parts of the image composed?
How is the remnant church described?
How will the Lord manifest Himself to the wicked?

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