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BRITANICA ENCYCLOPEDIA
The baptismal formula was changed from the name of Jesus Christ to the words Father, Son & Holy Ghost by the Catholic Church in the Second Century. – 11th Edit., Vol. 3, ppg. 365-366.
CANNEY ENCYCLOPEDIA OF RELIGION
The early church always baptized in the name of the Lord Jesus until development of the Trinity Doctrine in the Second Century.
CATHOLIC ENCYCLOPEDIA
Here the Catholics acknowledged that baptism was changed by the Catholic Church. – Vol. 2, pg. 263.
HASTINGS ENCYCLOPEDIA OF RELIGION
Christian baptism was administered using the words, "in the name of Jesus." – Vol. 2, pg. 377. Baptism was always in the name of Lord Jesus until time of Justin Martyr when Triune formula used. – Vol. 2, pg. 389. NAME was an ancient synonym for "person." Payment was always made in the name of some person referring to ownership. Therefore one being baptized in Jesus’ name became His personal property. "Ye are Christ’s." – Vol. 2, pg. 377 on
Acts 2:38.2