Comprehensive Checklist of Aril and Arilbred Iris:

....This is an alphabetical checklist of cultivars based on American Iris Society registrations through 1996 and Aril Society International records through 1996. It contains historical information and notes on the cultivars in addition to "standard" checklist information. Compiled by Kay Nelson Keppel and Sharon McAllister. Softcover, 200+ pages; price $20.00.