- en-academic.com Wikipedia
- pinterest.com pin/hero-of-the-soviet-union--…
- markhumphrys.com soviet.html
- tr2tr.wiki wiki/Hero_of_the_Soviet_Union
- encyclopedia.ushmm.org content/en/article/…
- sovietorders.com product/hero-of-the-soviet-union…
- mappr.co Soviet Union Map/Union of Soviet Socialist Republics (USSR)
- nationalww2museum.org war/articles/soviet-…