Image of the party board of the Social Democratic Workers Party () during the three -day 20th congress in the large hall of the Tivoli building (Kruisstraat 1) in Utrecht with, among others, Wibaut, , van Kuykhof, Vliegen, Schaper, Hermans, Albarda, , H. Spiekman, J. ter Laan, Sannes, B. Asserkleerekoper, van Kol, H. Polak, Gerhard, and Helsdingen.

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Photo credit: © EU/BT / Alamy / Afripics
License: Licensed
Model Released: No

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