A Treatise on Toleration: Voltaire's 1763 work, translated by Richard Hooker.
Encyclopedia: Encyclopaedia, or Reasoned Dictionary of the Sciences, Arts, and Trades, edited by Denis Diderot and Jean le Rond d'Alembert, to which Voltaire contributed.
Letters on England: Complete chapter-indexed hypertext of Voltaire's text.
Letters on the English: Text at Bartleby.com.
Letters On The English Or Lettres Philosophiques: E-text at Modern History Sourcebook with a brief introduction.
Philosophical Dictionary: Translation by William F. Fleming, 1901.
Philosophical Letters: Translation of William F. Fleming, 1901.
Poetry Archive: Voltaire: Includes translations of about 10 poems.
Toleration and Other Essays by Voltaire: Translated, with an introduction, by Joseph McCabe, 1912.
Voltaire's Philosophical Dictionary: 1924 translation by H. I. Woolf.