Dehon became noted for being prolific in his writings. He often wrote for various newspapers and periodicals on a wide range of different social issues as well as devotional subjects such as the Sacred Heart. The latter became a predominant theme for several of his published works. But in 2005 serious allegations were made regarding Dehon's works in view of the approval of his beatification. The allegations specified that Dehon was anti-Semitic in which he expressed anti-Semitic views in his writings. This caused the suspension of his beatification until a reexamination of his writings could be undertaken with his findings released upon its closure. On 5 February one French historian drew attention to seven controversial texts in which Dehon was accused of being anti-Semitic. The French paper "La Croix" published extracts in which Dehon has said: