I'm not sure that this is what you're looking for, but you might find it interesting: https://www.amazon.com/Part-Asian-100-Hapa-Fulbeck/dp/0811849597
As far as we know - yes. There's been a sort of Hapa Pride movement in the last few decades.
Check out the book Hapa.
http://www.amazon.com/Part-Asian-100-Hapa-Fulbeck/dp/0811849597