Introduction; Chronology; Further reading; Note on the texts and translation; Part I. General Philosophical Program: 1. How philosophy can become more universal and useful for the benefit of the people (1765); Part II. Philosophy of Language: 2. Fragments on recent German literature (1767-8); 3. Treatise on the origin of language (1772); Part III. Philosophy of Mind: 4. On Thomas Abbt's writings (1768); 5. On cognition and sensation, the two main forces of the human soul; 6. On the cognition and sensation, the two main forces of the human soul (1775); Part IV. Philosophy of History: 7. On the change of taste (1766); 8. Older critical forestlet (1767/8); 9. This too a philosophy of history for the formation of humanity (1774); Part V. Political Philosophy: 10. Letters concerning the progress of humanity (1792); 11. Letters for the advancement of humanity (1793-7); Index.