By what authority was Sunday Sabbath-keeping instituted?

Answer

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

What shameful treatment did Christ receive from the soldiers?
When was the little horn to arise?
That there might be no misunderstanding, what did Moses do?
How many will see Him when He comes?
What wonderful demonstration will accompany the Lord's coming?
Concerning what should we not be ignorant?
What was to follow the great earthquake?

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