Raymond 1996; Jargon File 2004: "Note that samizdat is properly used only with respect to documents which contain needed information (see also hacker ethic) but which are for some reason otherwise unavailable, but not in the context of documents which are available through normal channels, for which unauthorized duplication would be unethical copyright violation." Raymond, Eric S. (1996). The New Hacker's Dictionary (3rd ed.). Cambridge, MA: MIT Press. pp. 395–396. ISBN978-0-262-18178-5. "samizdat". Jargon File 4.4.8. Eric Raymond. 2004-10-01. Retrieved 2016-04-22.
Ro’i, Yaacov (14 October 2010). "YIVO | Samizdat". The YIVO Encyclopedia of Jews in Eastern Europe. YIVO Institute for Jewish Research. Archived from the original on 15 April 2011. Retrieved 12 October 2023.
Ro’i, Yaacov (14 October 2010). "YIVO | Samizdat". The YIVO Encyclopedia of Jews in Eastern Europe. YIVO Institute for Jewish Research. Archived from the original on 15 April 2011. Retrieved 12 October 2023.