- kinofilms.ua rus/star/321108/
- myheritage.com names/harald_granraude
- store.steampowered.com app/924750/Harold_Halibut/
- en.m.wikipedia.org Harald Grosskopf
- nextbiography.com harald-baldr/
- haraldgrosskopf.de englisch/home.html
- movielib.ru person/3082297