(Q77084458)
Statements
1931
1 reference
10 December 1931
16 September 2022
1 reference
1 reference
14 September 1964
1 reference
Identifiers
1 reference
1 reference
1 reference
2 references
1 reference
1 reference
1 reference
1 reference
Huygens, Robert Burchard Constantijn, 1931-