The printed index for each year is found in the back of the October issue for that year (i.e., Oct. 2008 for 2008).
We also published a 50th Anniversary Index for the years 1947-1995 that is no longer in print.
Our online subscription offers a researchable database of Interpretation issues from 1947 through one year ago. The most current issues are also available as Adobe PDF files through our online subscription.