Book  (2009)  Page(s) 245.  
 
'Thornless Violet': One of the earliest smooth-stemmed hybrids, this purple gallica-China cross predates 1848.

Book  (Mar 1999)  Page(s) 148-149.  
 
Violet sans Aiguillons ('Thornless Violet'). Before 1848. Gallica-China hybrid... dark purple with a bright crimson center.

Book  (1936)  Page(s) 705, 739.  
 
p. 705: Thornless violer (noisette) ? ? ; dark purple, center vivid crimson-violet, medium size, double, flat, very few prickles, weak canes, growth 4/10.

p. 739: Violet sans aiguillons (noisette) ? ; dark purple, no prickles = Thornless violet.

Book  (1936)  Page(s) 367.  
 
Jacques, Violette de (Bengal) Prévost ca. 1840; velvety dark violet, medium size, double, elongated, regular, few prickles, slim smooth branches, climbing habit. = Conquête de Jacques.

Book  (1906)  Page(s) 167.  
 
10.762. Violet sans aiguillon, Noisette, pourpre foncé, syn. Thornless Violet

10.768. Violette de Jacques, Hybride Bengale, Prévost, violet, syn. Conquête de Jacques

Magazine  (1 Nov 1895)  Page(s) 167.  
 
"Sur l'Origine des Roses Hybrides" by Carrière
Les autres hybrides non remontants, mentionnés sur ce même catalogue [de M. Vibert, 1828], n'ont d'autre indication que les noms, ce qui fait supposer qu'elles ne sont pas des graines de M. Vibert. Nous citerons les suivantes: [...] Violette sans aiguillons...

"On the Origins of Hybrid Roses" by Carrière
Translation: Other non-remontant hybrids mentioned in this same catalog [of Mr. Vibert, 1828] are indicated only by their names, which suggests that they are not seedlings of Mr. Vibert. We will mention the following: [...] Violette sans aiguillons...

Book  (1885)  Page(s) 321, Vol 2.  
 
Noisette. Thornless Violet.
Arbuste peu vigoureux; rameaux faibles, presque sans épines; fleur moyenne, pleine, plate; coloris pourpre foncé, au centre cramoisi vif, souvent violet.

Translation: Noisette. Thornless Violet.
A somewhat vigorous shrub with lax stems, nearly thornless; medium-sized flower, full, flat and colored a deep purple, with a vivid crimson center, often violet.

Book  (1880)  Page(s) 127, annex.  
 
4697. indica Noisetteana. Thornless Violet, Violet sans aiguillons. Blume dunkelpurpur, Centrum beim Aufblühen lebhaft karmoisin, später in violet ubergehend, mittelgross, voll, flach, stachellos, Wuchs mässig.

Translation: 4697. Noisette. Thornless Violet, Violet sans aiguillons. Flower is dark purple, with the center often crimson when opening then shading to violet, medium-sized, full, flat, thornless, growth is moderate.

Website/Catalog  (1861)  Page(s) 60.  
 
Climbing Roses. (Rosa arvensis, sempervirens, multiflora, rubifolia, Banksia). To cover walls, espaliers, pillars and arbors.
490. Violet sans aiguillon.

Book  (1858)  Page(s) 298.  
 
Rosa hibrida bengalensis; Hibride de Bengale.
Violette sans Aiguillons, Blumen mittelgroß, gefüllt, dunkelviolet.

Translation: Hybrid China.
Violette sans Aiguillons, Medium-sized flower is full and dark violet.