Background sources like encyclopedias can provide context for your topic, or even help you choose one. They are great places to start because:
The following are recommended encyclopedias in the field of Women's Studies. You can read them online 24/7.
These works are housed in the reference section. If you need assistance locating them please ask at the reference desk,
The Global Encyclopedia of Lesbian, Gay, Bisexual and Transgender History
by
Howard Chiang