Libcom.org now hosts digitised versions of two vital American anarchist newspapers.
The Road to Freedom (1924-1932) – copies from 1924 and 1925 (as of July 2015). http://libcom.org/library/road-freedom
Vanguard (1932-1939) http://libcom.org/library/vanguard-libertarian-communist-journal
Both papers feature heavily in Paul Avrich’s Anarchist voices: an oral history of anarchism in America (AK Press 2005).