Church Documents Treasury — Conciliar & Papal Magisterium

ENCYCLICAL2003

Ecclesia de Eucharistia (On the Eucharist)

Pope John Paul II

Encyclical letter on the Holy Eucharist in its relationship to the Church, reaffirming Eucharistic faith, transubstantiation, the sacrificial nature of the Mass, liturgical reverence, and Mary as Woman of the Eucharist.

Read Magisterial Text

ENCYCLICAL1998

Fides et Ratio (On Faith and Reason)

Pope John Paul II

Encyclical letter on the harmony between faith and reason as two wings on which the human spirit rises to the contemplation of truth, warning against skepticism, scientism, and relativism while defending philosophical capacity for objective truth.

Read Magisterial Text

ENCYCLICAL2015

Laudato Si' (On Care for Our Common Home)

Pope Francis

Encyclical letter on integral ecology, environmental stewardship, human dignity, and care for creation, linking environmental degradation with social injustice, technocratic domination, and moral decline.

Read Magisterial Text

ENCYCLICAL1987

Redemptoris Mater (Mother of the Redeemer)

Pope John Paul II

Encyclical letter on the Blessed Virgin Mary in the life of the pilgrim Church, meditating on Mary’s faith journey, her maternal intercession, her presence in the mystery of Christ, and Marian spirituality.

Read Magisterial Text

ENCYCLICAL1891

Rerum Novarum (On Capital and Labor)

Pope Leo XIII

Foundational encyclical letter of modern Catholic Social Teaching, addressing the condition of the working classes, defending worker dignity, fair living wages, and private property while condemning both unregulated capitalism and state socialism.

Read Magisterial Text

ENCYCLICAL2007

Spe Salvi (On Christian Hope)

Pope Benedict XVI

Encyclical letter on Christian hope, exploring eternal life, redemption, judgment, purgatory, and prayer as a school of hope, contrasting Christian hope with modern secular ideologies and utopian promises.

Read Magisterial Text

Church Documents & Magisterium

Ecclesia de Eucharistia (On the Eucharist)

Fides et Ratio (On Faith and Reason)

Laudato Si' (On Care for Our Common Home)

Redemptoris Mater (Mother of the Redeemer)

Rerum Novarum (On Capital and Labor)

Spe Salvi (On Christian Hope)