BLAAS, P.B.M. J. Presser, Louter verwachting. Autobiografische schets 1899-1919. BMGN - Low Countries Historical Review, [S. l.], v. 103, n. 1, p. 81–81, 1988. DOI: 10.18352/bmgn-lchr.2912. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103267.. Acesso em: 21 nov. 2024.