Bulk of the material pertains to the defense of Nicola Sacco and Bartolomeo Vanzetti, anarchists who were tried and executed for murder, and includes "office testimony" not included in the published transcript.
- By Massachusetts. Superior Court (Norfolk County)
- Dated January 1, 1906–December 31, 1906, in Alden, New York, United States
- Held by Harvard Law School Library
- Part of Sacco-Vanzetti Collections - Harvard Law School Library
- Rights: Rights status not evaluated.