This entry from the Marxists Internet Archive relies almost entirely on Frederick Engels' assessment of Fourier and his writing. Extensive quotation from Engel's "The Development of Socialism from Utopia to Science."

This on-line encyclopedia offers an in-depth look at the teachings of Karl Marx.

In this article, the book Black Reconstruction in America by W.E.B. Du Bois is reviewed by Keeanga-Yamahtta Taylor. This book was written to convey the experiences of African Americans during and after the Civil War, which other history...