Stanislas DU LAC (1835-1909) Jesuit, founder of the French Catholic Youth Action. 4 L.A.S., Paris 1879, [to Léonce Détroyat]; 5 1/2 pages in-8, headings École Ste Geneviève. July 14. His correspondent's journal "can only continue to serve our cause effectively as long as the alliance to which you do not refuse remains unknown"... He sends him two pamphlets to bring to the attention of his readers... November-December, 3 letters about a meeting at the École Monge.