Book  (Apr 1999)  Page(s) 458.  
 
Apotheker Franz Hahne Translation: "Pharmacist Franz Hahne'. Pernetiana. Müller 1920. The author cites information from different sources... Salmon pink... hues of distinct red-orange colouring...

Book  (1940)  Page(s) 11.  
 
Apotheker Franz Hahne Shrub. (Dr. Fr. Müller 1919.) Salmon-rose on orange-yellow ground.

Book  (1936)  Page(s) 326.  
 
Hahne, Apotheker Franz (hybrid lutea) Dr. Müller 1920; salmon-pink, base orange-yellow, large, well double, fragrance 5/10, very floriferous, long stems, growth 7/10, climbing, 1,5m. Sangerhausen

Website/Catalog  (1925)  Page(s) 4.  
 
Apotheker Franz Hahne, 1921, hybrid lutea, pink with orange

Website/Catalog  (1923)  Page(s) 42.  
 
Pernetianas ...  Apotheker Franz Hahne (Dr. Müller, 1909). Salmon-pink.