14 Letters

Catholic World News has published an overview of JPII's fourteen encyclicals. I don't know whether the page is available to non-subscribers, but here's the link.

Redemptor Hominis: on redemption and the dignity of the human race-- signed March 4, 1979
Dives in Misericordia: on the mercy of God-- signed November 30, 1980
Laborem Exercens: on human work-- signed September 14, 1981
Slavorum Apostoli: in commemoration of the 11th centenary of the evangelizing work of Sts. Cyril and Methodius-- signed June 2, 1985
Dominum et Vivificantem: on the Holy Spirit in the life of the Church and the world-- signed May 18, 1986
Redemptoris Mater: on the Blessed Virgin Mary in the life of the pilgrim Church-- signed March 25, 1987
Sollicitudo Rei Socialis: for the 20th anniversary of Populorum Progressio-- signed December 30, 1987
Redemptoris Missio: on the permanent validity of the Church's missionary mandate-- signed December 7, 1990
Centesimus Annus: on the 100th anniversary of Rerum Novarum-- signed August 6, 1993
Veritatis Splendor: regarding certain fundamental questions of the Church's moral teaching-- signed August 6, 1993
Evangelium Vitae: on the value and inviolability of human life-- signed March 25, 1995
Ut Unum Sint: on ecumenism-- signed May 25, 1995
Fides et Ratio: on the relationship between faith and reason-- signed October 15, 1998
Ecclesia de Eucharistia: On the Eucharist and Its Relationship to the Church-- signed April 17, 2003