H.J. Zuidervaart, H. Hoitsma, Een Zeeuws planetarium uit de tweede helft van de 18e eeuw; H.J. Zuidervaart, Mr. Johan Adriaen van de Perre (1738-1790). Portret van een Zeeuws regent, mecenas en liefhebber van nuttige wetenschappen

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Copyright (c) 1986 Klaas van Berkel

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