Book  (1936)  Page(s) 691.  
 
Syrius (Provins) Coquerel before 1836; glossy crimson, large, double, center petals small

Book  (1899)  Page(s) 169.  
 
Syrius, Provins, Coquerel, cramoisi

Book  (1880)  Page(s) Annex, p. 126.  
 
gallica. Syrius, glossy crimson, large, full.

Book  (1858)  Page(s) 223.  
 
Rosa gallica.
Syrius, Blumen groß, glänzend carmoisin.

Translation: Rosa gallica.
Syrius, the large flowers are a glossy crimson.

Book  (1842)  Page(s) 275.  
 
R. gallica....Varieties....with velvety blooms, whose dark colour has a velvety sheen in sunlight (R. gall. holosericea)....Syrius, large, glossy crimson

Book  (1838)  Page(s) 118.  
 
Provins. Le Syrius, fleurs doubles, grandes et d'un cramoisi brillant.

Magazine  (Apr 1829)  Page(s) 205.  
 
Vallet, M., ainé, Member of the Soc. of Agr. of the Department of the Lower Seine, and of the Soc. of Hort. of Paris, Nurseryman, Rouen, a very worthy man: Catalogue des Roses. Rouen. Pamph. 12mo, pp. 42.
M. Vallet Comes annually to London with a stock of roses for sale; and among other fine sorts, he has introduced the following: -
In December, 1826.- Rose Duc de Choiseuil maculeé; rose double, grande (Provins). Georgina Mars; petite, très pleine, et très vive (Prov.). Phedre; Rouge, très pleine, forte (Prov.). Syrius; d'un cramoisi brillant, double, moyenne (Prov.).