Russell, Bertrand Arthur William 3rd, Earl
- Texts in the public domain, at Project Gutenberg.
- http://www.gutenberg.org/browse/authors/r#a355

A Critical Exposition of the Philosophy of Leibniz
- Table of contents, the prefaces, and the first chapter of Bertrand Russell's book on Leibniz.
- http://ditext.com/russell/leib-t.html

The Analysis Of Mind
- Presents Russell's view on the detailed structure of the mind.
- http://russell.thefreelibrary.com/The-Analysis-of-Mind

A Free Man's Worship
- A classic 1903 essay by Russell.
- http://www.users.drew.edu/~jlenz/fmw.html

The Doctrine of Extermination
- An essay by Russell on nuclear testing and nuclear war.
- http://www.progress.org/archive/brussell.htm

Bertrand Russell
- Assorted texts including "Icarus," "What Is the Soul?", and various columns from the Hearst newspapers.
- http://www.santafe.edu/~shalizi/Russell/

Theory of Knowledge
- Bertrand Russell's entry on The Theory of Knowledge for the 1926 edition of the Encyclopaedia Britannica
- http://www.marxists.org/reference/subject/philosophy/works/en/russell1.htm

The Problems of Philosophy
- Contains online version of this book, written by Bertrand Russell in 1912.
- http://www.ditext.com/russell/russell.html

Proposed Roads To Freedom: Socialism, Anarchism and Syndicalism
- An 1918 text on the history and possibilities of socialism and anarchism.
- http://www.zpub.com/notes/rfree10.html

On Denoting
- Russell's 1905 paper on the theory of descriptions.
- http://www.odyssey.dircon.co.uk/rod.htm

In Praise of Idleness
- 1932 article by Bertrand Russell, in which he assaults the notion of the nobility of work.
- http://www.zpub.com/notes/idle.html