- German Reformed Church (U.S.) [x]
- Study and teaching [x]
- Nevin, John Williamson,
- Reformed Church in the United States
- Church work
- German Reformed Church (U.S.).
- Theological seminaries, German Reformed Church (U.S.)
- 19th century.
- Appointment, call, and election
- Christianity and other religions
- Mercersburg theology.
- Reformed Church in the United States.
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