Book  (Dec 2000)  Page(s) 271.  
 
Perle des Blanches Bourbon. François Lacharme 1872

Book  (Jun 1992)  Page(s) 101.  
 
Perle des Blanches Translation: "Pearl of the Whites". Bourbon. Lacharme 1872. 'Mlle Blanche Laffitte' (Bourbon) x 'Sapho' (Damask Perpetual)... creamy-white, changing to pure white... Pure white...

Book  (1936)  Page(s) 554.  
 
Perle des Blanches (hybrid noisette) Lacharme 1872; Bl. Lafitte X ? ; pure white, fades to light pink shading, medium size, double, globular, centifolia-form, in clusters of 8-15, floriferous, repeats, growth 8/10, climbing, 2 m., Sangerhausen

Website/Catalog  (1921)  Page(s) 65.  
 
Hybrid Perpetuals. White...Perle des Blanches

Magazine  (29 Jul 1911)  Page(s) 362.  
 
The Parentage of Roses.
The following list of the world's Roses and their parentage has been compiled by Mr. Robert Daniel, 38 Russell Road. Fishponds, Bristol, and by his kind permission we are enabled to publish it...
Perle des Blanches... Hybrid Noisette, Lacharme, 1872, Seedling Blanche Lafitte

Book  (1910)  Page(s) 338.  
 
Perle des Blanches [Noisette Perpetual]; flowers pure white, of medium size, full; growth vigorous.

Book  (1903)  Page(s) 204.  
 
CHOIX DE VARIÉTÉS HORTICOLES
Rosiers hybrides de Noisettes. Très remontants.
Perle des blanches, fleur blanc pur, moyenne et pleine.

Book  (1902)  Page(s) 92.  
 
Hybrides de Noisette....
2577. Perle des Blanches, Lacharme 1873, blanc pur

Book  (1899)  Page(s) 141.  
 
Perle des Blanches, hybride de Noisette, Lacharme, 1872, blanc

Article (magazine)  (1 Feb 1898)  Page(s) 23.  
 
[From a talk by Léon Chénault at the Conference of Rosarians at Orléans, published in "Journal des Roses"]
Perle des Blanches (Lacharme, 1872), bel hybride de Noisette, repasse l'Atlantique en 1888 baptisée Ball of Snow.

Translation:
Perle des Blanches (Lachame, 1872), beautiful hybrid Noisette, passed the Atlantic in 1888 baptised as Ball of Snow.