By what authority was Sunday Sabbath-keeping instituted?

Answer

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

Under what striking emblem was He prophesied of by Balaam?
31. What scripture shows that the righteousness which is received by grace through faith must not be made an excuse for continuing in sin?
Through what are they to -be sanctified?
What is the love of God declared to be?
After the law had been proclaimed from Sinai, what did the people again say?
What class of men did he say would arise in the church?
13. At the instance of church bishops, what still further law was secured under Theodosius the Younger, in 425?

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