Dear Clay-- I think the classifications you seek may be available in the list archives, maintained by John Cottingham. Send him a message: [log in to unmask] in subject line put "archive search", then in body ask your question. Good luck! Camilla Flintermann, CG for Peter, 78/7, Oxford,Ohio [log in to unmask] * * * * * * * * * * * * * * "Ask me about the CARE list for PD caregivers!" * * * * * * * * * * * * * *