*Greschat, Martin. [https://books.google.com/books?id=LbNhllq9HkwC&source=gbs_navlinks_s ''Martin Bucer: A Reformer and His Times'']. (Louisville: Westminster John Knox Press, 2004).
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*Greschat, Martin (2004). [https://books.google.com/books?id=LbNhllq9HkwC&source=gbs_navlinks_s ''Martin Bucer: A Reformer and His Times'']. (Louisville: Westminster John Knox Press). ISBN: 9780664226909.