Archival Sources
– Aldino Felicani Sacco-Vanzetti Collection. Boston Public Library.
– Sacco-Vanzetti Case Papers. Harvard Law Library.
– H. B. Lehrmann Papers. Harvard Law Library.
– Department of Justice/FBI Sacco-Vanzetti Papers. National Archives, Washington, D.C.
– Massachusetts State Police Sacco-Vanzetti Files. Massachusetts State Archives.