Category publication and none of fanzine, fanthology, apazine, clubzine, newszine, apa, newsletter, prozine, semiprozine, book, bibliography, fanhistory.
Category publishing and convention or publishing
Category condex and not convention
Category (eastercon|canvention|eurocon) and not (US|UK|Europe|Canada|Asia|Australia|Ireland|NZ)
Category convention and club Con-Fusion
Category worldcon, westercon but not condex or bid or bidding or fanhistory Worldcons by Area
Category eastercon,canvention, eurocon but not condex Cardiff in 2016