NK tafeltennis in Amsterdam; Bettine Vriesekoop die 3 titels behaalde NL-HaNA 2.24.01.05 0 933-8471
Rob Croes (ANEFO)
<a rel="nofollow" class="external text" href="http://proxy.handle.net/10648/ad5aec08-d0b4-102d-bcf8-003048976d84">GaHetNa (Nationaal Archief NL)</a> 933-8471