Programme R

[warbirdperformance]

Can I ask something here about a book I am looking for?(or should I ask other place?)
I want to know about "programme R" and fighter competition in late 30s for Italian air force.
Dose anyone know any good book which explains it well?

 

[Hardlydank]

I can't find any books specifically about it, but a book like this probably covers it:

This forum, however, covers it in great detail: Google Translate

 

[warbirdperformance]

I can't find any books specifically about it, but a book like this probably covers it:
View attachment 581238
This forum, however, covers it in great detail: Google Translate

Thank you very much.
The forum looks great!!