an authority
"Fr. Dehon is an important master of social studies, and his strong and effective words are very well received wherever he speaks. His authority in the matter makes him a desired orator of the Catholic congresses in France. This is incontestably testified by his outstanding 'Manuel social chrétien' [christian social manuel/handbook], approved by numerous bishops and within the shortest time a fourth edition with over 13,000 copies" (La Voce della Verità, 10./11.01.1897)
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