Many articles about the spirituality of the Traditional Latin Mass can be found on Sancta Missa at: http://www.sanctamissa.org/en/spirituality/
Of particular interest is the Explanation of the Prayers and Ceremonies of Holy Mass, by Dom Prosper Louis Pascal Guéranger.
Another fine book to read to learn more about the spirituality of the ceremonies and prayers of the Tridentine Mass is called The Heart of the Mass.
A great spiritual reflection on the Mass was written by the late, great Archbishop Fulton J. Sheen. Sheen’s Calvary and the Mass. To purchase this book click here...