There are times when Google is a completely acceptable tool for finding information. Librarians do still use Google- we just know when it will be the most effective.
When to use Google/ the Open Web:
When to use Library Databases:
Source: University of Maine Library, Library Research 101: How to Get Started
If you want authoritative information, try this:
Government Website Searches: transgender:.gov
Educational Sites Searches: transgender:.edu
PowerPoint Sites Searches: transgender: .ppt