Official Program of the Dutch Track Championships 1930 hosted by the Nederlandsche Wielren Unie on the Stadium Cycling Track in Amsterdam. Stapled, 40 pp. Cover Jan Lutz. Several names filled in by first owner + Official Program of the international races on the Stadium Cycling Track, Thursday 11 July 1929. Stapled, 16 pp. Cover Jan Luz - and the same, 1 August 1929 and 11 September 1930.