Book  (2007)  Page(s) 109.  
 
Crimson Duke, HT, mr, 1963, [(Happiness × Independence) × Peace], Meilland, Alain A.; bud ovoid; flowers crimson, 4-5 in., 45-55 petals, high-centered, moderate fragrance; foliage leathery, dark; vigorous, upright, bushy growth

Book  (1966)  Page(s) 169.  
 
W. G. Treloar, Victoria.  Recent Introductions.  1966 Releases.  (advertisement)
Crimson Duke HT.