(Q2753650)
Statements
1 reference
Klaas Johan Popma (Dutch)
1 reference
1 reference
1 reference
1 reference
5 June 1903Gregorian
2 references
Klaas Johan Popma
9 October 2017
1 reference
18 May 1986
2 references
Klaas Johan Popma
9 October 2017
1 January 1955
1 June 1974
1 reference
Identifiers
1 reference
Sitelinks
Wikipedia(2 entries)
- enwiki K. J. Popma
- nlwiki Klaas Johan Popma