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Haenen, Hubert (16 December 1977). "La Truite d'Or: VAN "SWART" NAAR WIT" [La Truite d'Or: from "SWART" to white]. Limburgsch Dagblad (in Dutch). Retrieved 11 November 2014.
"Advertisement". De Tijd (in Dutch). 6 January 1967. Retrieved 11 November 2014.
"Uit-eten moet mini vakantie zijn" [Dining out should be a mini-holiday]. Limburgsch Dagblad (in Dutch). 20 September 1974. Retrieved 11 November 2014.
"restaurant "la truite d'or"" [restaurant "la truite d'or"]. Limburgsch Dagblad (in Dutch). 20 February 1976. Retrieved 11 November 2014.
Haenen, Hubert (16 December 1977). "La Truite d'Or: VAN "SWART" NAAR WIT" [La Truite d'Or: from "SWART" to white]. Limburgsch Dadblad (in Dutch). Retrieved 11 November 2014.
"de patron vertrok..." [The patron left...]. Limburgsch Dagblad (in Dutch). 8 July 1982. Retrieved 11 November 2014.
"Te koop restaurant" [For sale restaurant]. De Telegraaf (in Dutch). 2 October 1985. Retrieved 11 November 2014.
web.archive.org
Brandligt, Vivie (30 March 2012). "Historisch overzicht Michelinsterren 1976 t/m 1980" [Historical overview Michelin stars 1976-1980]. Misset Horeca (in Dutch). Archived from the original on November 16, 2012. Retrieved 16 June 2014.{{cite news}}: CS1 maint: unfit URL (link)