I. Erdtsieck, De emancipatie van de joden in Overijssel, 1796-1940. De rol van de opperrabijnen Hertzveld, Fränkel en Hirsch. BMGN - Low Countries Historical Review, [S. l.], v. 112, n. 2, p. 280–281, 1997. DOI: 10.18352/bmgn-lchr.4481. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105167.. Acesso em: 2 jul. 2024.