World championship chess in The Hague (1948). Keres vs. Euwe
J.D. Noske (ANEFO)
<a rel="nofollow" class="external text" href="http://proxy.handle.net/10648/a8b34268-d0b4-102d-bcf8-003048976d84">GaHetNa (Nationaal Archief NL)</a> NL-HaNA 2.24.01.09 0 902-6127