 He was a prolific author, penning a critique of the Roman Catholic Mass based on the Bible, "Anatomie de la Messe", and a defense of the French Reformed Confession of Faith against its Jesuit detractors, "Bouclier de la Foi".An English translation of his was published posthumously in 1674 by his son Peter Du Moulin.In September, 1610, the biting satire "Anti-Coton, in which it is proved that the Jesuits are guilty of parricide against Henri IV" was followed by many pamphlets for and against the Jesuits.