1896  German Social Democracy  London: Longmans, Green  (pdf here)

Anonymous review of German Social Democracy, Westminster Review 147 (Mar 1897)

1897  An Essay on the Foundations of Geometry  Cambridge University Press

1900  A Critical Exposition of the Philosophy of Leibniz  Cambridge: Cambridge University Press

1903  The Principles of Mathematics  Cambridge: Cambridge University Press  Repr. 1931 with a new introduction by Russell  (pdf here)

1910  Philosophical Essays  London: Longmans, Green  Revised ed., London: George Allen & Unwin, 1966

1910-3  Principia Mathematica, with Alfred North Whitehead, 3 volumes  Cambridge: Cambridge University Press  Revised ed., 1925-7  volume 1

1912  The Problems of Philosophy  London: Williams and Norgate

1914  Our Knowledge of the External World as a Field for Scientific Method in Philosophy. Chicago: Open Court  Revised ed., London: George Allen & Unwin, 1926

1918  Mysticism and Logic and Other Essays  London: Longmans, Green

Introduction to Mathematical Philosophy  BRS member Kevin Klement's excellent online edition of Russell’s best book – Russell's informal account of the monumental Principia Mathematica

The Philosophy of Logical Atomism, The Monist (Oct 1918, Jan, April, July 1919)  Russell’s most important book for linguistic analytic philosophers - complete and online

1915  Justice in War-Time. London: National Labour Press  Revised ed., Open Court, 1916

1916  Principles of Social Reconstruction  London: George Allen & Unwin

1917  Political Ideals  New York: The Century Company

1918  Roads to Freedom: Socialism, Anarchism and Syndicalism  London: George Allen & Unwin

We also have over 100 articles by Russell available for reading on the articles page, a complete list of Russell’s books and articles at our online Russell Bibliography, a chronology of Russell’s life and an introduction to his analytic philosophy on still other pages.