SWELM ND VAN (1996) Actualities: call for. LIMOSA 69 (4): 196-196.

Foundation places an Ornithological Station Voorne archive about the old royal domain and staatsnatuurrnonument Bear (The Bear Bird Island), formerly located across from Hook of Holland on the island Rozenburg. The foundation requests everyone to old data about nature and landscape, excursion reports, reports, photographs, etc. to make available. the address of the foundation is PO Box 305, 3233 ZG Oostvoorne (D. of N. t.a.v. Swelm

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