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Archival description
Sonde Collection Series
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Audio Recordings

This series consists of audio recordings of Charles de Mestral works.

Background Information

This series consists of background information about Sonde and biographical sketches of its members.

Catalogue of Works

This series consists of various listings of the musical pieces composed by Sonde, including date of composition, composer and date and location of the event where the music was played.


This series consists of paper media clippings of events.


This series consists of original and copies of newspaper and newsletter articles describing Sonde events and performances.

Conference Programs

This series consists of programs from conferences Charles de Mestral attended.

Confidential Files

This series is confidential and contains personal information about the members of Sonde which cannot be viewed.


This series consists of copies of the correspondence with agencies and others concerning Sonde musical pieces, performances and recordings.


This series consists of correspondence of Charles de Mestral primarily relating to de Mestral 15, 1994.

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