de Jong, Leonard Nicholaas
4/5 Prize, Il Problema, 1933
#2
6 + 5
16106 | Probleemcomponisten I - L N de Jong | 1941 |
3098 | FIDE Album (1914-1944) (I) | 1971 |
3310 | 2345 Chess Problems | 1997 |
5454 | Near Snap | 2011 |
14868 | Pirnie Collection | 2012 |
This anticipates 92671(1957)
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