Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Among the ascetic writers of the Order, mention may be made of St. Thomas Aquinas, Blessed Albert the Great, Master Humbert, St. Antoninus, Dom Bartholomew of the Martyrs, Ven. Louis of Granada, St. Vincent Ferrer, St. Catherine of Sienna, and St. Catherine of Ricci, whilst the Illuminated Doctor John Tauler and Blessed Henry Suso are among the first of the great mystic theologians of the Church.