Level 1: Introduction to Fundamental Concepts
Introduction to Historical Materialism – Alan Woods and Rob Sewell
Historical Materialism: A Study Guide – Mick Brooks
Level 2: Eras and Events
Civilization, Barbarism, and the Marxist View of History – Alan Woods
Level 3: Engels’ Letters
Engels to Borgius, January 25, 1894 (often erroneously cited as addressed to Starenburg)
Engels to Schmidt, August 5, 1890
Engels to Bloch, September 21, 1890
Engels to Boenigk, August 21, 1890
Engels to Mehring, July 14, 1893
Level 4: Before Capitalism
Pre-Capitalist Economic Formations – Karl Marx
Level 5: Classical Elaborations