InteLex Corporation’s Past Masters series encompasses the largest collection of primary source full-text electronic editions in philosophy in the world. The series includes significant collections in the history of political thought and theory, religious studies, education, German studies, sociology, the history and philosophy of science, economics, and classics. In addition to Past Masters: Collected Works, InteLex publishes The English Letters Collection, The Women Writers Collection, and the Pickering & Chatto Women's Studies Collection. The English Letters Collection consists of the letters or correspondence and in some cases the notebooks, diaries, and memoirs of the most significant figures in the history of English literature, politics, culture, religion and the arts. The Women Writers Collection consists of primary works, letters, journals and notebooks from important women writers in the English language.