Book  (Apr 1999)  Page(s) 35.  
 
Belle Hélène Gallica. Vibert pre-1829... intense purple, nuanced with violet...

Book  (Mar 1999)  Page(s) 36.  
 
Vibert, France, before 1813. Two separate roses appear to have been named 'Belle Hélène'… Apparently, the rose currently in cultivation is the one that was grown at Malmaison. (Description)

Book  (1936)  Page(s) 337.  
 
Hélène, Belle (Provins) Vibert ca. 1830; vivid purple, shaded violet, medium size, 3/4-full

Book  (1899)  Page(s) 22.  
 
Belle Hélène, Provins, Vibert, pourpre et violet

Book  (1838)  Page(s) 250.  
 
Belle Hélène Gallica. Flowers: very full, middle-sized, of a bright purple, shaded with violet. [The author doesn't indicate which 'Belle Hélène' she is referring to.]