There's two books you should try to get copies of:
Rose, Marshall T. "The Little Black Book: Mail Bonding with OSI
Directory Services", 1992, Prentice Hall, New Jersey, ISBN 0-13-683210-5
Chadwick, David "Understanding X.500 The Directory", 1994, Chapman
& Hall, London, ISBN 0-412-43020-7
My links on X.500 (from my Hotlist):
http://www.ietf.cnri.reston.va.us/html.charters/asid-charter.html
http://www.altavista.digital.com/cgi-bin/query?pg=aq&what=web&fmt=.&
q=LDAP+and+X.500+and+not+title%3A%22Web500gw+Help%22%0D%0A&r=ldap+X.
500+repository+FAQ+experience&d0=&d1=
ftp://nemo.ncsl.nist.gov/pub/oiw/dssig/
ftp://nemo.ncsl.nist.gov/pub/oiw/dssig/ISO-IEC-9594/
http://src.doc.ic.ac.uk/public/computing/ccitt/ccitt-standards/1992/X/
ftp://ftp.es.net/pub/whitepages/.INDEX.html
ftp://ftp.es.net/pub/ietf/osids/.INDEX.html
http://www.nexor.co.uk/users/cjr/directory.html
http://www-leland.stanford.edu/group/networking/directory/directory.html
http://www.nic.surfnet.nl/surfnet/projects/x500/
http://www.tu-chemnitz.de/~fri/web500gw/index.html
http://www.bath.ac.uk/~ccsap/Directory/
http://www-leland.stanford.edu/group/networking/directory/x500ldapfaq.html
Also on LDAP:
http://www-leland.stanford.edu/group/networking/directory/doc/ldap/ldap.html
http://www.umich.edu/~rsug/ldap/
-- + + + + + | snewton@oac.hsc.uth.tmc.edu | Nobody else speaks for me, Uh oh, no Boom. | and I speak for no one else. | http://www.uth.tmc.edu/~snewton/ | + + + + + +