(1961) Lloyd Austin, Controlled evolution of the horned, spooned, and flounced iris. Bulletin of the American Iris Society no. 161: 43-54.
(1978) Ben Hager, 'Novelty Irises' in The World of Iris
(2003) Clive Russell, 'Flat Out and Up To Date', Bulletin of the American Iris Society, January pp 66-72 reprinted from British Iris Society Yearbook