CQ Researcher is the equivalent of a journal article and it's a great database to get an overview of your topic.
There are entire online databases full of reference material. Take a look at these:
There are many encyclopedias and dictionaries about gender issues and women in our library. Here are a few of those that are online.
To find one of the print encyclopedias search the catalog for (gender OR women) AND (encyclopdia OR dictionary) or browse the HQ section of the Reference collection on the 1st floor of Waldo Library.