sentences:  On November 7, 1963, an additional memorial service was held in his honor at Calvary Church in Pittsburgh, and later another at Calvary Church in Manhattan, with Dr. Norman Vincent Peale's contributing material for the commemorative edition of "Faith at Work" magazine.The Episcopal Church in the United States of America honors Shoemaker with a feast day on its liturgical calendar on January 31.Bill Wilson credited Sam Shoemaker as a key source of the ideas underpinning Alcoholics Anonymous