Reference Shelf - Associations
Associations, organizations and scholarly societies have been a source of reputable specialized information for decades. Today, that means much of the information previously available only in printed pamphlets is posted to their website, either as regular webpages or in PDF documents.
The links below are great finding tools for groups that specialize in your topic. And these resources can also verify information you find on the internet and confirm whether or not the information on that site comes from a trusted source.