By what authority was Sunday Sabbath-keeping instituted?

Answer

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

Who was the Rock that went with them?
In what one word is the character of God expressed?
What two facts testify to the union of divinity and humanity in Christ?
How futile was all this?
How was this little horn to exalt itself against Christ and His mediatorial work?
12. When Daniel and his fellows were about to be slain because the wise men of Babylon could not reveal to Nebuchadnezzar his dream, how did God answer their united prayers?
What work constitutes the fast most acceptable to God?

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