Freedman, Joseph. "The Career and Writings of Bartholmew Keckermann" in Proceedings of the American Philosophical Society, vol. 141, no. 3 (1997) pp. 305-364
Schweizer, Alexander. "Die Entwicklung des Moralsystems in der reformirten Kirche" in Theologische Studien und Kritiken, vol. 23 (1850) pp. 5-78 [Keckermann discussed in pp. 45-50]