(Q73408169)
Statements
22 June 1861Gregorian
2 references
Johan Hendrik Willem Unger
9 October 2017
1 reference
9 April 1904Gregorian
2 references
Johan Hendrik Willem Unger
9 October 2017
1 reference
1883
1904
1 reference
1 reference
1 reference
3 March 2020
9 April 1904Gregorian
Johan Hendrik Willem Unger
0 references
Identifiers
1 reference
1 reference
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- commonswiki Category:Johan Hendrik Willem Unger