Sacco-Vanzetti Case Records, 1920-1928. Defense Papers. Erie County, N.Y. Voter registration certification for Erastus Whitney, 1907. Box 12, Folder 8, Harvard Law School Library, Historical & Special Collections

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.
Courtesy of Harvard Law School Library