Isis is available free on request from UNESCO at:
The official distributor for CDS/ISIS in the US is the CDS/ISIS Distribution Group. They are located in Ottawa.
You can reach them at: firstname.lastname@example.org
The phone number is: (613) 728-2186.
New and current Isis users may be interested to know of the existence of the CDS-ISIS Internet mailing list. You can join the list by sending a message saying