How do you trace foucauldian concept of disciplinary power in Streetcar and Glass Menagerie?

I think
that there could be many different ways to read Foucault's notion of power in both of Williams'
work.  In the case of Blanche, Stanley uses the notion of insanity and mental illness to exert
power over her and to control Stella.  While Blanche might be suffering from some level of
mental illness, Stanley uses this label as a construct of power in order to maintain his control
over Stella and not disrupt the distribution of resources that are in...