In describing how one ISBN per instance is a bad idea, I failed to
mention kits, with perhaps an ISBN for the kit, plus ISBNs for some or
all of the component parts.

Nor did I mention the many legacy items, and even current ones, which
lack ISBNs.


   __       __   J. McRee (Mac) Elrod ([log in to unmask])
  {__  |   /     Special Libraries Cataloguing   HTTP://www.slc.bc.ca/
  ___} |__ \__________________________________________________________