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Books about Wiaux:
Brother Mutien-Marie Wiaux, FSC: Sanctity in simplicity by Luke Salm (1989)
Le Frere Mutien-Marie 1841-1917 (Saint Louis-Joseph Wiaux) by Alphonse M., FSC Hermans (Jan 1, 1982)
Un second FR. Mutien. Le frère Mutien-Marie de Ciney. Gabriel wiaux (1895-1940) by Mgr L. Picard (1943)
Wiki information Wiaux:
Saint Mutien-Marie Wiaux, F.S.C., was a Belgian member of the Brothers of Christian Schools, who spent his life as a teacher and is honored as a saint by the Catholic Church.