Just a shot in the dark, but you might try searching for current scholars who are citing the authors that you most identify and then finding where they work. I also would not be afraid to contact those professors for guidance. Be aware that they may be very busy, so keep your email to a single paragraph and put the most basic aspect of your question in the first sentence as you did in your first post on this thread:
Dear Prof. LAST NAME,
My name is YOUR NAME, and I am writing for guidance on identifying potential advisors and programs for doctoral study in the field of NAME OF FIELD.
I'm writing to you because I read WHATEVER THEY'VE PUBLISHED THAT YOU LIKE, and I am interested in pursuing a similar approach/topic/whatever. My interests are KEEP IT TO JUST A FEW SENTENCES . I know you must be very busy, so thank you for your time.
Just keep it very short. In my experience the reply emails that I have received have all been helpful in some form or fashion regardless of their length. Have you spoken to your senior thesis advisor about whom you might contact or what programs hold out the most promise?