ROOY, P. de. W. Thys, André Jolles (1874-1946). ’Gebildeter Vagant’. Brieven en documenten, Thys, W., ed. BMGN - Low Countries Historical Review, [S. l.], v. 117, n. 2, p. 249–250, 2002. DOI: 10.18352/bmgn-lchr.5685. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106525. Acesso em: 24 feb. 2024.