Bryan, Anna. "Soviet Posters"(PDF). University of Illinois at Urbana-Champaign. Arkiveret fra originalen(PDF) 20. august 2014. Hentet 15. maj 2017.Bryan, Anna. (PDF). University of Illinois at Urbana-Champaign. Archived from the originalArkiveret 20. august 2014 hos Wayback Machine(PDF) on 2014-08-20. Retrieved May 15, 2017.
Bryan, Anna. "Soviet Posters"(PDF). University of Illinois at Urbana-Champaign. Arkiveret fra originalen(PDF) 20. august 2014. Hentet 15. maj 2017.Bryan, Anna. (PDF). University of Illinois at Urbana-Champaign. Archived from the originalArkiveret 20. august 2014 hos Wayback Machine(PDF) on 2014-08-20. Retrieved May 15, 2017.