Home › Authors › Hedley Gordon Jones 👤 Hedley Gordon Jones 3 books Books by Hedley Gordon Jones Illustrations of Positivism: A Selection of Articles from the "Positivist ... 1915 Life & Work of Roger Bacon, an Life & Work of Roger Bacon, an Introduction to the Opus Majus 1914 Life and Work of Roger Bacon Life and Work of Roger Bacon 1914
