(Q748875)
Statements
1 reference
2 June 1876Gregorian
2 references
Leon Huygens
9 October 2017
12 January 1919Gregorian
1 reference
1 reference
6 January 2021
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1 reference
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Wikipedia(4 entries)
- enwiki Léon Huygens
- frwiki Léon Huygens
- nlwiki Léon Huygens
- vlswiki Léon Huygens
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Multilingual sites(1 entry)
- commonswiki Category:Leon Huygens