Reference » Encyclopedias


Encyclopedia of Trotskyism On-Line (ETOL) -

An ongoing project, aimed at providing a complete documentation about the history, the idea and the activity of the international Trotskyist movement, centering upon the figure of Leon Trotsky (1879-1940) and continuing to this day.

Wolfram MathWorld -

A comprehensive encyclopedia of mathematics with 13,000 detailed entries.