(Q16171221)
Statements
0 references
20 September 1972
2 references
Prof. Willem Boomstra
9 October 2017
0 references
29 June 1929Gregorian
1 July 1933
28 July 1939
1 August 1940
1 reference
Willem Boomstra
0 references
Identifiers
Sitelinks
Wikipedia(1 entry)
- idwiki Willem Boomstra
Wikibooks(0 entries)
Wikinews(0 entries)
Wikiquote(0 entries)
Wikisource(0 entries)
Wikiversity(0 entries)
Wikivoyage(0 entries)
Wiktionary(0 entries)
Multilingual sites(1 entry)
- commonswiki Category:Willem Boomstra