There's an interesting review
here. Robert Altemeyer of the University of Manitoba is Dean's "authoritarianism guru." I don't think his work really stands up because he doesn't accept that the left could be authoritarian. "Right-wing authoritarianism" is a fixed expression in Altemeyer's intellectual vocabulary. He sees it where he looks for it, but he doesn't really break the concept down. Googling Altemeyer and authoritarianism will reveal more to those who are interested.