Internet access to decrees of all the councils. The Papal Encyclicals in their Historical Context . BX 860 A36 Selective collection of papal encyclicals with introductions from ancient times into the modern era. The Papal Encyclicals 1740-1981 . McGrath, 1981. 5 vols.
Final volume includes an extensive subject index to all of the encyclicals.
A Guide, 1740-1978 . Pierian Press, 1990. Papal Teachings . Benedictine Monks of Solesmes. St. Paul, 1960-1980.