By what authority was Sunday Sabbath-keeping instituted?

Answer

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

What is revealed by the law?
1. According to the words of the angel to Daniel, when might the world look for an increase of knowledge?
What was the color of the symbol under the third seal?
What does He say of the teachings of enchanters and sorcerers?
Whom does the Lord chasten?
What relation do all sustain to God?
What is to become of our earth in the day of the Lord?

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