Book  (Apr 1993)  Page(s) 118.  
 
Crown Prince Hybrid Perpetual, reddish crimson tinged with purple, 1880, Paul, W., & Son.

Book  (Feb 1993)  Page(s) 118.  
 
Crown Prince
Hybrid Perpetual
Botanical grouping: CHinensis
England 1880
... shades of crimson and purple... Little or no pruning required apart from the routine removal of dead wood or weak stem growth...

Book  (Jun 1992)  Page(s) 128.  
 
Crown Prince Hybrid Perpetual. W. Paul, 1880. Seedling of 'Duke of Edinburgh'. [Author cites information from different sources.]
Bright purple, centres shaded with lurid crimson...

Book  (1990)  Page(s) 92.  Includes photo(s).
 
Crown Prince
Hybrid Perpetual
William Paul (1880)
... deep purple and carmine... nice fragrance...

Book  (1936)  Page(s) 184.  
 
Crown Prince (HP) W. Paul 1880; Duke of Edinburgh X ? ; bright purple, center shaded dark crimson, very large, double, drooping, fragrance 5/10, floriferous, growth 8/10.

Book  (1910)  Page(s) 283.  
 
Page 193: Crown Prince introduced between 1874 and 1902
Page 283: Crown Prince Hybrid Perpetual; flowers bright purple, centres shaded with lurid crimson, very large and double, petals fine, very floriferous, and of excellent growth and habit; a most effective garden Rose, yielding large quantities of fine flowers, either for decoration or cutting.

Booklet  (1899)  Page(s) 19.  
 
Hybrid Perpetuals.
Crown Prince W. Paul 1880. S. G. Deep purplish-crimson, globular, vigorous. 

Book  (1899)  Page(s) 45.  
 
Crown Prince, HR, W. Paul, 1880. pourpre ombré

Book  (1894)  Page(s) 225-26.  
 
Hybrid Perpetuals
Crown Prince (W. Paul & Son, 1880). — Of good growth and foliage. The blooms are large and full, with a decided purple tinge. Very free-flowering and a good autumnal. Useful as a garden Rose, or for forcing, and often good enough to show.

Website/Catalog  (1886)  Page(s) 79.  
 
General Collection. Hybrid Perpetuals.
Crown Prince. Bright purple, centre shaded with lurid crimson;  very large and double, floriferous.