The Five Solas identified the distinctive theological positions held by the reformers and continue to serve as distinguishing characteristics of Reformed Theology. Here is a brief description of each, as well as links to additional information. http://reasonabletheology.org/five-solas
"Salvation and Justification" - FREE printable (PDF). This journal studies the Catholic understanding of Salvation and Justification, as it contrasts with Sola fide ("Faith alone"). From the Coming Home Network (www.chnetwork.org)
Sola fide (Latin: by faith alone), also historically known as the doctrine of justification by faith alone, is a Christian theological doctrine that distinguishes most Protestant denominations from Catholicism, Eastern Christianity, and some in the Restoration Movement.