private collection
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Collection Museum of Czech Music.
CD recording ''300 years with the pianoforte''.
Jacob Weiss, Wien, compass:FF-f4, ca.1820, private collection Austria
CD recording''Antonin Rejcha'' compositions for traverso & fortepiano,
(Andreas Kröper & Geoffrey Lancaster).
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CD recording: Mozart, Fantasias and Rondos (Richard Egarr).
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Joseph Angst, Wien, compass:CC-g4, ca. 1825, Stichting Sweelinck
Collectie. On loan Conservatorium Amsterdam.
Frederich Hey, Wien, compass: CC-g4, ca. 1825, private collection Amsterdam.
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On loan museum Geelvinck Hinlopen, Amsterdam.
Forte piano, Gijsbregt Wilderom, Copy From an Anton Walter,
private collection, Amsterdam
Private collection, Gijsbregt Wilderom, Amsterdam
Peter Rosenberger, Wien, ca. 1830
private collection,
Gijsbregt Wilderom, Amsterdam.
Stichting Sweelinck collectie,Amsterdam.
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Compass: CC-g4
private collection,
Gijsbregt Wilderom, Amsterdam.