Anon list of 'required' reading on Marxism.
"Main Currents of Marxism", Leszek Kolakowski
Volume 1:
https://archive.org/details/MainCurrentsOfMarxismVol1TheFounders/mode/2up
Volume 2:
https://archive.org/details/maincurrentsofma00lesz
Volume 3:
https://www.scribd.com/doc/139570660/Leszek-Kolakowski-Main-Currents-of-Marxism-Its-Rise-Growth-and-Dissolution-Volume-III-The-Breakdown
"Philosophy and Myth in Karl Marx", Tucker, Robert
https://archive.org/details/philosophymythin0000tuck_c6d3
"Marxism Unmasked", Ludwig Von Mises
https://mises.org/library/marxism-unmasked-delusion-destruction
"Karl Marx and the Close of his System", Eugen Von Bohm Bawerk
https://mises.org/library/karl-marx-and-close-his-system
"Karl Marx as Religious Eschatologist", Murray Rothbard
https://mises.org/library/karl-marx-religious-eschatologist
"Marx's Path to Communism", Murray Rthbard
https://mises.org/library/marxs-path-communism