H.P.H. Jansen, A. Janse, Kroniek van het klooster Bloemhof te Wittewierum. BMGN - Low Countries Historical Review, [S. l.], v. 109, n. 1, p. 70–73, 1994. DOI: 10.18352/bmgn-lchr.3786. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104354.. Acesso em: 2 jul. 2024.