(Q1604057)
Statements
Helmut Ridder (German)
0 references
18 July 1919Gregorian
2 references
10 May 2014
9 October 2017
Helmut Ridder
15 April 2007
2 references
10 May 2014
9 October 2017
Helmut Ridder
Identifiers
1 reference
Sitelinks
Wikipedia(2 entries)
- dewiki Helmut Ridder
- plwiki Helmut Ridder