Encyclicals and Other Papal Writings

Pius XII (1939-58)

Pius XI (1922-39)

Benedict XV (1914-22)

St. Pius X (1903-14)

Leo XIII (1878-1903)

Pius IX (1846-78)

Gregory XVI (1831-46)

Pius VIII (1829-30)

Leo XII (1823-29)

Pius VII (1800-23)

Pius VI (1775-99)

Clement XIV (1769-74)

Clement XIII (1758-69)

Benedict XIV (1740-58)

Clement XII (1730-40)

Clement XI (1700-21)

Boniface VIII (1294-1303)