Out of the more than 100 books and pamphlets, one of the most notable works was his famous "Letter to my fellow citizens" in which he promoted more democracy, universal electoral rights and the belgian unity of strengths between liberals and catholics.
Out of the more than 100 books and pamphlets, one of the most notable works was his "Philosophical History of Christianity" published in 6 volumes in Brussels and Paris. He also published his famous "Letter to my fellow citizens" in which he promoted the belgian unity of strengths between liberals and catholics.