Kansas City Religious Organizations 2918 Tracy Ave Website of the Society of Saint Pius X's USA District. The SSPX was founded by Archbishop Marcel Lefebvre and is dedicated to the formation of priests and in consequence, of preserving Catholic Tradition. Kansas City MO Religious Organizations Society Of St Pius X www.sspx.org Society of Saint Pius X SSPX FSSPX Pope Saint Pius X Catholic Roman Catholic Catholic Tradition Roman Mass Roman Rite Roman Missal 1962 Missale Romanum Latin Tridentine Mass Traditional Latin Mass Saint Pius V Missal Pian Missal Novus Society of Saint Pius X SSPX FSSPX Pope Saint Pius X Catholic Roman Catholic Catholic Tradition Roman Mass Roman Rite Roman Missal 1962 Missale Romanum Latin Tridentine Mass Traditional Latin Mass Saint Pius V Missal Pian Missal Novus Business Reviews Society Of St Pius X Testimonials