Viswanathan Anand, Hoogovens Chess Tournament 1990
Fotoburo De Boer
<a rel="nofollow" class="external text" href="https://hdl.handle.net/21.12102/a45e4068-b138-68e8-d95d-baa5a84dd306">Noord-Hollands Archief</a>, NL-HlmNHA 1478 31803K00 31