Gw mau tau Yvonne Davy, Frau Luther. dari Katharina von Bora

Karant-Nunn, Susan C., and Merry E. Wiesner. Luther On Women: A Sourcebook. Cambridge, UK: Cambridge University Press, 2003. eBook Collection (EBSCOhost). Web. 3 Dec. 2014.

Treu, Martin. "Katharina Von Bora, The Woman At Luther's Side." Lutheran Quarterly 13.2 (1999): 156-178. ATLA Religion Database with ATLASerials. Web. 3 Dec. 2014.