Welcome to one of the only pages on this site where I actually use capital letters properly!
I tried my best to give a good link to everything I've listed here, so I hope it makes up for the few I couldn't find a good one for. Still check them out if you can!
communist hammer and sickle CRITICAL THEORY AND POLITICS:

Capital: Critique of Political Economy by Karl Marx [Vol. I] [Vol. II] [Vol. III]
Value, Price, and Profit by Karl Marx
Wage Labour and Capital by Karl Marx
The Manifesto of The Communist Party by Karl Marx and Friedrich Engels
Socialism: Utopian and Scientific by Friedrich Engels
Anti-Duhring by Friedrich Engels
Origin of the Family, Private Property, and the State by Friedrich Engels
Antifa: The Anti-Fascist Handbook by Mark Bray
Zionist Logic by Malcom X (Article published Sept. 17, 1964)
Commentaries about gender and/or identity:
Whipping Girl by Julia Serano

Books, Articles, etc. that I'm planning to read:
Sex Changes: The Politics of Transgenderism by Patrick Califia
Radical Dharma by Rev. angel Kyodo williams, Lama Rod Owens, and Jasmine Syedullah