HoI4 Dev Diary - Poland Focus Tree Rework Part 2/2 | Paradox Interactive Forums
HOI4 Dev Diary - Yugoslavia and Romania | Paradox Interactive Forums
Download mod «The Road to 56» for Hearts of Iron 4 (1.10.8)
HOI4 Dev Diary - Officer Corps #2 | Page 8 | Paradox Interactive Forums
Greek national focus tree - Hearts of Iron 4 Wiki
Need Help With National Spirits: hoi4modding
I'm a little disappointed in the HOI4 modding community, because this mod probably has a richer backstory and details than any other mod, unfortunately : r/hoi4