Selected pre-critical writings, and correspondence with Beck /

Eitemau Tebyg

• Spengler letters, 1913-1936 /
  gan: Spengler, Oswald, 1880-1936
  Cyhoeddwyd: (1966)
• Correspondance generale et confessions.
  gan: Comte, Auguste, 1798-1857
  Cyhoeddwyd: (1973)
• Correspondance /
  gan: Budé, Guillaume, 1468-1540
  Cyhoeddwyd: (1977)
• Dear Bertrand Russell ... a selection of his correspondence with the general public, 1950-1968.
  gan: Russell, Bertrand, 1872-1970
  Cyhoeddwyd: (1969)
• The correspondence of John Locke /
  gan: Locke, John, 1632-1704
  Cyhoeddwyd: (1976)