Encyclicals by Popes on the Holy Spirit and the Church
Encyclicals have been written on the Holy Spirit by a number of Popes. These formal documents provide additional understanding of the Church beyond that provided in Holy Scripture. The amplify the information provided on the Holy Spirit pages of this website.
Saint Pope John Paul II — from 1978 to 2005
Pope Pius XII — from 1939 to 1958
Pope Leo XIII — from 1878 to 1903