By what authority was Sunday Sabbath-keeping instituted?

Answer

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

What does the sorrow of the world do?
What will he the reward of those who honor their parents?
Who does Christ say need a physician?
6. What influence do the Bible and history show working in the church immediately after apostolic days?
11. What sign did Christ mention by which His disciples might know when the destruction of Jerusalem was near?
At His ascension, how did the angels say Christ would come again?
22. While many will be deceived by these wonders, and accept of the false christs that appear, what will those say who have maintained their love for the truth, and patiently waited for Christ's return?

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