On prayers to Mary for peace. Encyclical promulgated 15 September, 1966.

Pope Paul VI's most famous--or infamous, depending on one's perspective--encyclical. Shuns artificial methods of birth control. Promulgated 25 July, 1968.

Apostolic Constitution, on the promulgation of the revised book of the Liturgy of the Hours, in 1970.

Apostolic Exhortation. On the right ordering and development of devotion to the Blessed Virgin Mary. Issued 2 February, 1974. 110K.

On the occasion of the First of May. Encyclical promulgated 30 April, 1965.

Encyclical promulgated 13 May, 1967. About the spiritual motherhood of Mary, urges imitation of her virtues.