Yahoo! Groups: Eriol and Tomoyo Shrine - A mailing list and chat room. Open membership, archives available to the public. - http://groups.yahoo.com/group/eriolandtomoyoshrine/
Yahoo! Groups : Eriol and Tomoyo - Mailing List. Open membership, unmoderated, archives for members only, email attachments permitted. - http://groups.yahoo.com/group/Eriol_and_Tomoyo/
Never to Be - Thoughts about and justification for the pairing, and fan fiction. - http://fenya.net/cardcaptor/never/