Book  (1936)  Page(s) 366.  
 
Jacobs, Rosiériste (HP) Ducher 1880; velvety vivid red, shaded blackish, large, double, fine form, globular, repeats well, many prickles, growth 7/10. = [similar to] Duke of Wellington.

Book  (1936)  Page(s) 366.  
 
Jacobs, Mons. (HP) ? ? ; carmine-pink, large, double, globular.

Website/Catalog  (1911)  Page(s) 25.  
 
Hybrid Perpetual Roses. Roseriste Jacob (Duke of Wellington). Velvety crimson, clouded with black.

[Possibly Hazlewood was noting the rose he received as 'Roseriste Jacob' 1880 was the same as the one he grew as 'Duke of Wellington' 1864]]

Book  (1899)  Page(s) 158.  
 
Rosiériste Jacobs, Hr, Vve Ducher, 1880, rouge foncé

Book  (1899)  Page(s) 131.  
 
Monsieur Jacob, HR, voir Rosiériste Jacobs

Book  (1895)  Page(s) 110.  
 
Rosiériste Jacobs, blackish red

Website/Catalog  (1894)  Page(s) 180.  
 
Hybrid Perpetual Roses. 
Rosieriste Jacobs  Bright velvety red, shaded with blackish crimson; large, full, of fine globular form; very free blooming.

Book  (1883)  Page(s) 225.  
 
The Roses of 1881...I cannot declare Rosist Jacobs (hybrid perpetual, Vve. Ducher) as a rose of very first rank, as it passes soon to slaty lilac, although being one of the better dark roses. The petals are fringed. Vigorous. Strong prickle. Rank 2.

Book  (1882)  Page(s) 33.  
 
Rosiériste Jacobs...  Hybride Perpétuel.  Madame Ducher.  1880  Rouge noirâtre.  Fleur grande.  Plante vigoureuse.

Magazine  (16 Nov 1880)  Page(s) 439-440.  
 
Mme veuve Ducher, horticulteur-rosiériste, 23, chemin des Quatre-Maisons, à Lyon-Guillotière (Rhône). Rosiers disponibles pour l’automne 1880 et le printemps 1881. Deux Rosiers nouveaux, gains de l’établissement : l’un, Ro-
siériste Jacob qui appartient aux hybrides...