Imma writes
> I have read it and for me it's right. I think that we have a very correct classification schema.
> 
  Let me run it by Dagobert Soergel, and then I will XMLify it. 
  Cheers,
  Thomas Krichel                                   mailto:krichel@openlib.org
                                              http://openlib.org/home/krichel
                                          RePEc:per:1965-06-05:thomas_krichel