- Publication company magazine of the private mine Willem-Sophia, Antraciet 1957 - No. 2
- Training book ‘’Wat de houwer moet weten’’, published by the Gezamenlijke Steenkolenmijnen in Limburg. 9th edition, 1960
- Nederlands Mijnmuseum
- Repetzki, Kurt: 3000 Jahre Grubenleuchte, Zur Geschichte der Grubenlampe, Wien 1973
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