TY - BOOK AU - Saint-Laurent, Canon R De AU - Saint-Laurent,Canon R De TI - Mental Concentration U1 - O66.7 PY - 1950/// CY - Dublin PB - Aubanel Publishers N1 - includes index and biblioraphy; I. Mental Confusion...........9 II. The Advantages of Concentration...............21 III. Concentration Exercises...................33 IV. The Necessity of Rest................45 V. Observing Mind................55 ER -