Website/Catalog  (1938)  Page(s) 47.  
 
Rugosa Roses and their Hybrids (R. Rugosa).
These do not require pruning after the first season, except cutting away dead wood.
Star of Prague... Velvety blood red, of good elongated and pointed form, strongly perfumed. Introduced 1926.

Website/Catalog  (1927)  Page(s) 6.  
 
Star of Prague (Hybrid rugosa; V. Berger).  Flowers velvety blood red of good elongated and pointed form,strongly perfumed.  Growth vigorous and erect.  Excellent for cutting and general garden purposes. 

Website/Catalog  (1927)  Page(s) 32.  
 
New Roses 1927.
Star of Prague (Hyb. Rugosa). Blood red. Rugosa seedling x 'Edward Mawley'. A variety of upright growth with particularly thorny stems similar to most Rugosa types. The blooms are very full and richly sweet scented. So far, only of interest to hybridists. 4/- each.