Ahh awesome, I'll put him on my list! I didn't even think about it, but since you read Portuguese one I recommend a lot is Salazar's Como Se Levanta Um Estado. It was released in 1937, it is a really interesting insight into his worldview and the regime leading up to WW2. Available here on the internet archive: https://archive.org/details/como-se-levanta-um-estado-salazar_202104