How John Mitchell Mason's open communion practices and use of hymns contributed to the fracture of the Associate Reformed Presbyterian Church in 1822.   Read More

A collection of Machen's letters opposing government overreach, from anti-sedition laws to federal education departments.   Read More

The Orthodox Presbyterian Church's first tumultuous decade (1936-1946), including internal conflicts over fundamentalism, Machen's death, and the 1937 split that formed the Bible Presbyterian Church.   Read More

The events from 1923 to 1936 that led to the formation of the Orthodox Presbyterian Church, including the Auburn Affirmation, Princeton Seminary reorganization, and Machen's trial.   Read More

The life and theology of J. Gresham Machen, author of Christianity and Liberalism, and his role in the fundamentalist-modernist controversy of the 1920s.   Read More

B.B. Warfield, Charles Briggs, and the controversy over revising the Westminster Confession that led to the 1903 changes and set the stage for the formation of the OPC.   Read More

The Presbyterian Church during the Civil War and Reconstruction era, including denominational fracturing, wartime ministry, and the reunions that shaped modern Presbyterianism.   Read More

How Presbyterianism came to North Carolina through Ulster Scots and Scottish Highlanders, from the early 1700s through the founding of First Presbyterian Church of Raleigh.   Read More

The Presbyterian Church's division over slavery from the Old School-New School split through the Civil War, examining the debates that fractured American Presbyterianism.   Read More

Understanding the Reformed Presbyterian Church of North America (RPCNA) and the Associate Reformed Presbyterian Church (ARP), their tangled histories, and how they relate to modern Presbyterianism.   Read More