Charles S. McCoy, J. Wayne Baker, Fountainhead of Federalism: Heinrich Bullinger and the Covenantal Tradition (1991), p. 64; Google Books.
H. J. Selderhuis, Markus Wriedt, Bildung und Konfession: Theologenausbildung im Zeitalter der Konfessionalisierung (2006), p. 38; Google Books.
W. J. van Asselt, The Federal Theology of Johannes Cocceius (1603-1669) (2001), p. 25; Google Books.
Paul Chang-Ha Lim, In Pursuit of Purity, Unity, and Liberty: Richard Baxter's Puritan ecclesiology in its seventeenth-century context (2004), p. 174; Google Books.
H. J. Selderhuis, Markus Wriedt, Bildung und Konfession: Theologenausbildung im Zeitalter der Konfessionalisierung (2006), p. 46; Google Books.