Level 1: General Introduction
Marxism and Religion - Alan Woods
The Passion of the Christ: A Review of the Movie - Rob Sewell (And Part Two)
A Case of Saintly Overproduction
Level 2: Socialism, Marxists, and Religion
Socialism and Religion - Lenin
Socialism and the Churches - Rosa Luxemburg
The Attitude of the Workers' Party to Religion - Lenin
Their Morals and Ours - Leon Trotsky
Level 3: History
The Origins of the Jews - Yossi Schwartz (And Part Two, Part Three, Part Four)
On the History of Early Christianity - Frederick Engels
A work of Engels' in which he shows how Christianity was originally a primitive communistic struggle against the oppression of the Roman Empire. This work is a must-read, as it will help one understand the revolutionary, communistic origins of Christianity, as opposed to the "Christianity" defended today by the official church and the ultra-reactionaries in the "Religious Right."