Vatican II: the essential texts

Constitution on sacred liturgy (Sacrosanctum concilium)

Dogmatic constitution on divine revelation (Dei Verbum)

Dogmatic constitution on the church (Lumen gentium)

Pastoral constitution on the church in the modern world (Gaudium et spes)

Declaration on religious freedom (Dignitatis humanae)

Declaration on the church's relation to non-Christian religions (Nostra aetate).