Association of American University Presses Provides a database of publications. The search facility did not work at the time we checked the MedExplorer, but the site looks quite consumer oriented. The pro is that you may search many resources from one site, the con is that doing this is usualy slow. The mother of all search directories offers a comprehensive listing of transgender-related links. The IFGE, founded in 1978, is an educational and charitable organization addressing crossdressing and transgender issues.
Website includes news on current tg topics and a community calendar.
IFGE is also the publisher of renowned magazine Transgender Tapestry. This commercial, consumer-oriented website maintains a list of useful resources.