(Q42668294)
Statements
1 January 1989
1 reference
6 January 2019
1 February 1979
30 June 1983
1 reference
0000-0002-0520-7540.xml
21 July 2014
10 November 2023
Identifiers
1 reference
Sitelinks
Wikipedia(1 entry)
- enwiki John R. Helliwell