Presbyterian Church in the U.S.A. (Old School) (Corporate Name)

Hall, R.E. Amer. Presbyterian churches, a genealogy, 1706-1982, 1982: p. 101-103 (Presbyterian Church in the USA divided into New School and Old School (over doctrine & practical operation) in 1837; Presbyterian Church in the USA (Old School) and Presbyterian Church in the USA (New School) org. 1838; reunited in 1869 to form one Presbyterian Church in the USA in 1870) [info. from MnHi]

Mead, F.S. Handb. of denominations in the U.S., c1980: p. 209 (In 1837, the Presbyterian Church in the U.S.A. was split in two between New School and Old School; Old School and New School bodies, holding separate assemblies since 1837, united in 1870)