Book  (2012)  Page(s) 31.  
 
Rosa spinosissima ...Suite des Pimprenelles...
Pimprenelle Boule de neige hardy beau

Book  (1875)  Page(s) 75.  
 
The Scotch Rose. (Rosa spinosissima).
The following are a few of the best varieties:
Snowball: white.

Book  (1837)  Page(s) 16.  
 
Rosa spinosissima ...Suite des Pimprenelles...
Pimprenelle Boule de neige hardy beau

Website/Catalog  (1831)  Page(s) 60.  
 
ROSA. Rose.
Garden Varieties of Scots Roses, all of which blossom early, and are mostly of low Growth.
21  Snowball

Magazine  (10 Mar 1827)  Page(s) 154.  
 
The following roses no garden ought to be without:-...
Scotch Roses.- Snowball, Fairy, Lurid purple, Unique Perpetual, Lady Liston.