Jagose's book is definitely a good place to start as they said, and I wouldn't recommend starting with Butler and Sedgwick. Foucault is more readable but also not an easy read.
Spargo's book Foucault and Queer Theory is a great place to start. It is a very readable book and you can find it here: Foucault and Queer Theory (monoskop.org)
And if you have some money to spare, this is the best intro to queer theory I have ever read: Queer Theory Now: From Foundations to Futures | Amazon.com.br
It is an overview of queer theory and how it developed, and it has a lot of reading suggestions and explanations of concepts that have been developed by queer theorists. Unfortunately, I can't find it online anywhere.
This book is very easy to read and gives a good broad overview over important theories and thinkers.
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Thank you! I actually don't have any resources on that. I do, however have this: How To Create Straight Characters. Haven't listened through it myself yet, but people told me it was good and I trust them.
I just started listening to this book because it's free with audible. There is data on using man as the universal and the way gendered language affects our thinking. https://www.amazon.com/Invisible-Women-Data-World-Designed/dp/1419729071
It's a good book so far, not perfect.. but very intriguing.
I am going to get a copy of this book, and compare it to AFL-CIO's Secret War against Developing Country Workers: Solidarity or Sabotage?. Hopefully we can use this book to help discover when the LGBTQ movement entered in the American Labor Aristocracy.