WALDECK K (1964) Sight-record of Pallas Grasshopper Warbler. LIMOSA 37 (3): 304-307.

Pallas's Grasshopper Warbler Locustella certhiola On August 29th, 1963 a Warbler was seen in the Dunes of Wassenaar near the Hague, which according to the observers beyond all doubt must have been a specimen of Pallas's Grasshopper Warbler. If accepted by the Committee for the Dutch Avifauna, it will be the first record for the Netherlands

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