Book  (2007)  Page(s) 470.  
 
Scarlet Leader, Pol, ob, 1927. Wezelenburg ... short descripton

Website/Catalog  (1960)  Page(s) 25.  
 
SCARLET LEADER (Wezelenburg 1927). Gros panicules rouge brillant. VB [végétation basse].

[no longer listed in 1975]

Book  (1958)  Page(s) 370.  
 
Scarlet Leader. Pol. (Wezelenburg, '27.) Large, dbl., brilliant orange-scarlet; cluster.

Website/Catalog  (1946)  Page(s) 29.  
 
SCARLET LEADER (Wezelengburg and Son 1927). Gros panicules rouge foncé brillant. 

Book  (1936)  Page(s) 407.  
 
Leader, Scarlet (polyantha) Wezelenburg 1927; glossy orange-scarlet, large, well double, lasting, large clusters, floriferous, continuous bloom, short habit, bushy. Sangerhausen

Book  (1930)  Page(s) 26.  
 
Dwarf Polyantha Roses
Listed separately this season, for convenience sake, these true ever-blooming Roses, which bear their showy clusters of small flowers almost the whole year through, are most valuable for bedding, massing and edging where a continuous blaze of color is desired.
Scarlet Leader (1927)  Good new sort; full, double, brilliant orange- scarlet, unfading flowers in large clusters.  ...  $1.25

Website/Catalog  (1928)  Page(s) 33.  
 
New Roses 1928.  Scarlet Leader  (Poly. Wezelenburg 1927) Colour brilliant orange scarlet; large size bloom and truss; fully double flowers;  ‘Orleans’ type.
No orange in colour so far. Crimson fading to pink.