I am new to this list and was reading the archives. I read a book by DePoy and Gilson, Rethinking Disability, a while back, which addressed hierarchy, referring to it as pedigree. It may be just what you have been looking for. LG ________________End of message________________ This Disability-Research Discussion list is managed by the Centre for Disability Studies at the University of Leeds (www.leeds.ac.uk/disability-studies). Enquiries about list administration should be sent to [log in to unmask] Archives and tools are located at: www.jiscmail.ac.uk/lists/disability-research.html You can VIEW, POST, JOIN and LEAVE the list by logging in to this web page.