The content of Sancrosanctum Concilium is divided into 7 main chapters, the first three of which are: The general principles of liturgical reform; The Holy Eucharist, which is a reform of the liturgical order in the missal; The sacraments and the sacramentals, which are an affirmation of the importance of receiving the sacraments... Catechism on the history of liturgical doctrine in the Second Vatican Council, with P. Randriamanamahenina Robert Marie.