^J. der Gouw (1871), De Oude tijd. Haarlem – A.C.Kruseman. Google Book Search. Retrieved on July 5, 2008. نسخة محفوظة 17 يونيو 2014 على موقع واي باك مشين.
K. Tücking, Geschichte des Stifts Münster unter C. B. von Galen (Munster, 1865)
P. Corstiens, Bernard van Galen, Vorst-Bisschop van Munster (Rotterdam, 1872)
A. Hüsing, Fürstbischof C. B. von Galen (Münster, 1887)
C. Brinkmann in the English Historical Review, vol. xxi . (1906).
There is in the المتحف البريطاني a poem printed in 1666, entitled Letter to the bishop of Munster containing a Panegyrick of his heroick achievements in heroick verse.
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