I hope you all find these helpful – these are most of the reference materials Deacon Keith Fournier mentioned in his lectures on Ethics. Most can be found online (don’t forget the two bookshops who sponsor the Institute, The Catholic Shop and The Paschal Lamb of you’re looking for print versions).
Galatians 5:1: “
For freedom Christ has set us free; stand fast therefore, and do not submit again to a yoke of slavery.”
Click on the titles of each to go to the web version:
Letter to Diognetes
Compendium of the Social Doctrine of the Church
Catechism of the Catholic Church
Documents of the Second Vatican Council
Sources of Christian Ethics, by Servais-Théodore Pinckaers O.P.
First Grace, by Russell Hittinger
Gospel of Life, by Blessed John Paul II
Splendor of Truth, ibid.
Faith and Reason, ibid.