Translation of : Sanctorum communio.

1. Towards a definition of social philosophy and sociology -- 2. The Christian concept of the person and concepts of basic social relation -- The four schemes for the concepts of basic social relation in the light of the Christian concept of then person and of basic relation -- The concept of God and basic social relations and the concept of the i-thou relationship -- 3. The primal state and the problem of community -- Preliminary -- The theological problem: human spirituality and sociality -- Personal being as structurally open -- Personal being as structurally closed -- The sociological problem -- Social community as community of will -- Typology of social communities -- Objective spirit -- 4. Sin and the broken community -- Original sin -- Ethical collective persons -- 5. Sanctorum communion -- Basic principles -- conclusion of the discussion in the concept of the church: retrospect and prospect -- A brief outline of the New Testament view of the church -- Positive presentation leading to the basic problems and their development -- The church established in and through Christ, its realization -- The Holy Spirit and the church of Jesus Christ, the actualization of the essential church -- Multiplicity of spirits -- Community of spirit -- The spiritual unity of the church, the collective person -- The empirical form of the church -- The objective spirit of the church and the Holy Spirit -- The logical relation between the empirical and essential church -- Sociological forms and functions for the empirical church -- The worshipping congregation -- The sanctorum communion as bearer of the ministry -- The sociological context of the act congregation, the three concentric circles -- The sociological problem of the care of souls -- Authority and freedom in the empirical church -- The church as an independent sociological type and its place in the order of sociological types -- Church and sect -- The individual form of the objective spirit in the church of today -- Church and proletariat -- Faith in the sanctorum communion and 'experiencing the church' -- The church and eschatology.