V. I. Lenin
Karl Marx
A Brief Biographical Sketch With An Exposition Of Marxism

Written in July-November 1914
First published in an abridged form in 1915 in the Granat Encyclopaedia,
Seventh Edition, Vol. 28, over the signature of V. Ilyin.

Preface published in 1918 in the pamphlet:
N. Lenin, Karl Marx.
Pribot Publishers, Moscow