Book  (Apr 1993)  Page(s) 166.  
 
Hybrid Perpetual (OGR), dark yellow, 1920, 'Frau Karl Druschki' x 'Rayon d'Or'; Barbier. Flowers brilliant canary-yellow, shaded coppery golden yellow, full, globular; fragrant; few thorns; upright growth.

Book  (1940)  Page(s) 16.  
 
Barbier & Co., Orléans, France. ['Eugène Barbier']

Book  (1936)  Page(s) 52.  
 
Barbier, Eugène (HP) Barbier 1920; Druschki X Rayon d'Or; glossy golden-yellow to canary-yellow, shaded coppery golden-yellow, very large, double, globular, lasting, solitary or up to 4, fragrance 3/10, floriferous, long strong stems, large glossy leathery foliage, few prickles, growth 6/10, upright, hardy.

Magazine  (Mar 1930)  Page(s) 39.  
 
Eugène Barbier (H. R., Barbier et Cie)

Magazine  (1928)  Page(s) 75.  
 
Table of descendants of the rose "Frau Karl Druschki" by Dr. H. van Rathlef, Halle a. S....
I. 33. Eugène Barbier HP (Barbier 1920) Druschki X Rayon d'Or.

Website/Catalog  (1924)  Page(s) 54.  
 
Rosiers nouveaux 1920...Hybride Remontant.
EUGENE BARBIER (Barbier et Cie).- Bouton tond, énorme, jaune d'or foncé, parfois teinté de rouge cuivré, plante vigoureuse, très florifère. - la pièce, 5 fr.

Website/Catalog  (1922)  Page(s) 8.  
 
Novelty Roses 1922
Eugene Barbier (H.P.) (Barbier & Co.). Bright canary yellow, shaded coppery golden yellow, very large cupped form. Vigorous growth. This is classed as an H.P., but is a seedling from F. K. Druschki and Rayon d'Or. and its classification is liable to challenge later. 4/- each.

Website/Catalog  (1921)  Page(s) 5.  
 
Hybrid Perpetual Roses.
Eugene Barbier (Barbier & Co.)—Flower of superb colouring, bright canary yellow, shaded with coppery golden yellow, very large, cupped form. Growth vigorous.