Here are some useful links to some resources that will help you in researching LGBTQIA History at Elon University.
Remember that language changes over time! Some of the search terms you will encounter may be outdated and triggering. But it is also a clue to how to do research over time, and how to think critically about the difference between how people represent themselves versus how they're represented by others. In researching, you may need to search according to terms like "homosexual" or "transsexual," but we know that this language is generally not accepted to be appropriate language.