van Crimpen, Han (1988). "Friends remember Van Gogh in 1912". In Haruo Arikawa; et al. (eds.). Vincent van Gogh. International Symposium Tokyo – October 17-19, 1985. Tokyo. pp. 73–90.{{cite book}}: CS1 maint: location missing publisher (link)
Le Régional. Beaumont-sur-Oise: Private archive of M. Jean-Pierre Mantel, Auvers-sur-Oise. 7 August 1890. {{cite news}}: Missing or empty |title= (help)