The International Relations, club Thursday will sponsor a one-day conference of the Catholic Association for International Peace at Our Lady of the Lake college.Topics include tire Mexican question, the present European crisis and peace.The conference will open with a celebration of pontifical high mass in the conventual chapel.Beginning at 10:25, the morning session will be held under the chairmanship of Dr. Carlos E. Castaneda, I«itin-American librarian at the University of Texas. The address of welcome will be by the Rev. . Arthur j. Drossaerts, archbishop of San Antonio. The afternoon chairman will be the Rev. George B. Kotinen.Speakers will be G. Prleto-Yeme,former professor of the University ot Mexico; Mias Elena Bandazurl, Jose Vasconcelos, the Rev. George Sexton, Dr. John L. McMahon, the Rev,. Gerald J. Schnepp, Miss Catherine Crowley, the Rev. Robert E. Lucey, Dr, R. e. Roc hi and the Rev. John M, Bisntfi.