By what authority was Sunday Sabbath-keeping instituted?

Answer

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

What loss do those sustain who do not accept Him?
Did Christ come to abolish or to destroy the law?
How did Christ treat His Father's commandments?
What may be said of the developments in the line of scientific inventions since 1798?
In bereavement, like whom should we not sorrow?
For what purpose was man made?
To what Old Testament promise did Peter evidently refer?

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