On Natural Science
The Holy Family, Marx, 1845
The “Un-Critical Mass” and “Critical Criticism”,
Critical Battle Against French Materialism
Part Played by Labour in the Transition From Ape to Man,
Engels 1876
Anti-Dühring, Engels 1877
On Dialectics (“Old Preface”, 1878)
Time and Space
Cosmogony, Physics, Chemistry
The Organic World
The Organic World. Conclusion
Mathematical Manuscripts, Marx 1881
The Dialectics of Nature, Engels 1883