WNGG, Baltimore 1988: cofrestriad terfynol
WNGG, Baltimore 1988: adroddiad ariannol
WNGG, Baltimore 1988: cofrestru
WNGG, Baltimore 1988 Gohebiaeth gwesty
WNGG, Minneapolis 1999, Llyfr cynllunio
WNGG, Minneapolis 1999, rhaglen gwledd