2008.  By Dana Palmer.
All names listed in Heir Lines, a quarterly publication of the Warren County Genealogical Society, for the last 26 years are indexed to provide the type of entry plus the volume, issue, and page number where the entry can be found.  There are 81,414 entries with 10,207 surnames and 174 record types.  Order form for back issues is included.
Volume 1, A-K, 242 Pages
Volume 2, L-Z, 226 Pages