I can't be completely sure what he meant either, but let me try:
The "quick" guides to the characters as they are defined in the GBOT fan fic continuity. Each page has lists of individual timelines and relatives:
http://www.ectozone.com/gbnyThe Ghostbusters Fact List, full of movie and RGB canon information:
http://www.ectozone.com/gbflAnd of course my quick primer on how NOT to write Ghostbusters fan fics:
http://www.ectozone.com/apocrypha/marysue.html If I think of anything else it might be, I'll let you know.