Inventory of the Klaas Bolt Archive (in Dutch)
The organ expert and prominent organist Klaas Bolt (1927-1990) exercised great influence on organ building and restoration policy in the Netherlands, and achieved international recognition. Building on the expertise acquired by pioneers such as Johannes Legêne and Lambert Erné, he broke important new ground, particularly in the field of post-Baroque Dutch organ building. The Bolt Archive comprises some 5,500 text documents, drawings, photographs etc.
Klaas Bolt (1927-1990) (l) and a letter from Bolt to the Flentrop company (12 June 1967) (r)
Notes by Klaas Bolt on the organ in the St Maartenskerk at Zaltbommel (October 1970) (l)
and the instrument in the Hillegondakerk in Rotterdam (ca. 1980) (r)