By what authority was Sunday Sabbath-keeping instituted?

Answer

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

In what is the true poetry of life to be found?
What reply did Christ make?
In what way was Jonah a type of Christ?
What is said of his mother and his grandmother?
What was the character and the work of many of the bishops at that time?
To whom was the book dedicated?
7. What description does Paul give of the sufferings endured by some of God's people in former ages?

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