" using Schroeder's (sp?) model for artifact analysis." Please forgive my ignorance, but could you please itemize the reference to Schroeder? I am not familiar with this source, nor is it mentioned by T.J. Schlereth or other sources with which I am familiar. Thanks, Prof.Lynne Teather, Museum Studies Program, Univeristy of Toronto, Toronto, Ontario, CANADA. E-Mail: [log in to unmask]