The following are some Papal Encyclicals and other documents that deal with Catholic Social Teaching.
Pope Francis
Laudato Si' On Care for our Common Home 2015
Evangelii Gaudium The Joy of the Gospel 2013
Pope Benedict XVI
Caritas in Veritate Charity in Truth 2009
Deus Caritas Est God is Love 2005
Pope John Paul II
Centesimus Annus The One Hundredth Year 1991
Sollicitudo Rei Socialis The Social Concern of the Church 1987
Laborem Exercens On Human Work 1981
Pope Paul VI
Octogesima Adveniens A Call to Action 1971
Populorum Progressio On Development of Peoples 1967
Second Vatican Council
Gaudium et Spes Joys and Hopes 1965
Pope John XXIII
Pacem in Terris Peace on Earth 1963
Mater et Magistra Christianity and Social Progress 1961
Pope Pius XI
Quadragesimo Anno Reconstruction of the social order 1931
Pope Leo XIII
Rerum Novarum Capital and Labour 1891