Book  (1956)  Page(s) 38.  
 
Direktor Cordes (HT) cream with white

Book  (1936)  Page(s) 173.  
 
Cordes, Direktor W. (HT) Lambert 1904; Ch. Margottin X P. Gontier; whitish cream-yellow, center light reddish yellow, very large, very double, fine form, lasting, fragrance 8/10, floriferous, continuous bloomer, growth 5/10, upright. Sangerhausen

Magazine  (27 May 1911)  Page(s) 254.  
 
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...
Direktor W. Cordes... Hybrid Tea, Lambert, 1904, Charles Margottin X Papa Gontier

Book  (1908)  Page(s) 108.  
 
Direcktor W. Cordes. P. Lambert, 1904. Creamy white, with yellowish centre.

Magazine  (1 Oct 1907)  Page(s) 450.  
 
Les Meilleures Roses Nouvelles de 1904
Au dernier Congrès de la Société française des Rosiéristes, M. Croibier, rosiériste à Lyon, a présenté, sur la sixième question inscrite au programme: « Les meilleures variétés de Roses dans les nouveautés de 1904 », une note dans laquelle il énumère les variétés les plus appréciées dans la région lyonnaise. Voici cette liste, dans laquelle chaque nom est accompagné d'une description sommaire: 
Hybrides de Thés
Docteur W. Cordes (P. Lambert).— Fleur grande, très pleine, pétales raides et d'une bonne tenue, coloris blanc crème; le centre est jaune rougeâtre clair tendre.

Translation: The Finest New Roses of 1904
At the last meeting of the French society of rosarians, M. Croibier, a rosarian from Lyon, in response to the sixth question of the program [?], gave a presentation in which he enumerated the most appreciated varieties of his region. Here is that list, with each name accompanied by a short description:
Hybrid Tea Roses
Docteur W. Cordes (P. Lambert).—The large, very double flower is well-positioned on the plant and has rigid, creamy-white petals with the center washed a soft, light reddish yellow color.

Website/Catalog  (1906)  Page(s) 6.  
 
Novelties in Roses for 1906.
Direktor W. Cordes (Hybrid Tea) A most distinct and magnificent rose of exceptional beauty. A perfectly formed flower of pale creamy yellow colour, with reddish yellow centres; large and full, opening well; of moderate growth, upright stalks. 

Book  (1906)  Page(s) 47.  
 
3.070. Direktor W. Cordes, Hybride de Thé, P. Lambert 1904 blanc crème

Magazine  (May 1905)  Page(s) 27.  
 
New Roses for 1905...Breeder: P. Lambert, Trier.
Direktor W. Cordes (Hybrid Tea). (Charles Margottin X Papa Gontier). Moderately tall, vigorous, upright, bushy, uniform; beautiful leathery foliage. Thick, conically pointed bud, expanding always well and slowly; cream-white. Bloom very large, regular form, very well filled, firm leathery petals, whitish cream-yellow, center light reddish yellow, lasting, very fragrant, firm stems; upright, extraordinarily floriferous until frost. Cut, show and group sort; requires strong fertilization and short pruning.

Magazine  (25 Feb 1905)  Page(s) 188.  
 
Peter Lambert's New Roses.
Peter Lambert, of Trier, Germany, is offering the following new roses:
Direktor W. Cordes (Hybrid Tea — Charles Margottin X Papa Gontier). — Growth medium high, strong, straight, bushy and even; fine leathery foliage.  Bud thick and well pointed, always opening well and slowly; cream white.  Flower very large and regular, very double; petals firm and leathery, whitish cream, center tinged reddish yellow; very fragrant and lasting.  Stem strong and straight, unusually free, blooming till frost.  Adapted for cutting, groups or solitary plants.  Requires heavy fertilizing and close pruning.

Magazine  (Dec 1904)  Page(s) 185.  
 
Rosiers Nouveaux 1904 .... M. Peter Lambert, rosiériste - horticulteur à Trêves - sur- Moselle, émet six nouveautés dont nous ne pouvons donner que les noms, la traduction des descriptions ne nous étant pas encore: par venue :
Direktor W. Cordes (hybride de thé) — provenant de (Charles Margottin x Papa Gontier).