The primary sources of a musical work can include the following:
Autograph / Holograph (the composer's own manuscript)
Copies (handwritten by a relative, student, colleague, or professional copyist; or, in the case of medieval works, by monastic scribes)
First edition (typically published in consultation with the composer)
Early editions (printed during the composer's lifetime)
Early editions (edited by a relative, student, or other person close to the composer, after the composer's death)
Scholarly editions (edited by a scholar or performer known for their knowledge / interpretation of the composer)
Collected editions (the composer's complete works, published in a scholarly edition that shows the variant readings (differences) in the above sources)
Learn more about primary sources and how to interpret them here.
To determine which primary sources survive for a specific work, consult the following research tools (click on each to see tips on how to use it):
See the library's Special Collections to discover primary source materials, including the papers of the following local composers: