A historical survey article on followers of Calvin such as Vermigli, Zanchi, Beza, Ursinus, Bullinger, Turretin, Erastus, Cocceius, Amyraut and Knox. There are also discussions of the Synod of Dort and the Westminster Confession.

A summary of the Reformed history and faith, from Reformation times to the present.

A Catholic Encyclopedia site with short histories of the Dutch Reformed church and the German Reformed church in the US and the Reformed churches in South Africa.

An excellent short history, from Zwingli to Karl Barth.