Book  (1936)  Page(s) 588.  
 
Purity (bourbon) Cooling 1898; pure white, center shaded reddish flesh-white, medium size, double, fine form, floriferous, repeats, growth 7/10, climbing, 2m. Sangerhausen

Article (newspaper)  (7 Mar 1914)  Page(s) 10.  
 
Purity fills a want among early flowering pillar roses, and is a pure white of grand form, but medium in size. One of the earliest and freest bloomers we have.
 

Book  (1910)  Page(s) 253.  
 
Purity Hybrid Bourbon. Pure white, with faintly flushed centres; of medium size and an early bloomer

Magazine  (1898)  Page(s) 69-70.  
 
[Summary]
Presented in Portsmouth, 1897. Pure white, center very light pink.
Quote from the Gardner's Magazine : Devoniensis X Madame Bravy.
'semi-climbing'.