Book  (1936)  Page(s) 280.  
 
Freiburg I (HT) Dr. Krüger; pink. Has not proven itself.

Magazine  (1917)  Page(s) facing p. 16.  
 
[Advertisement by Weber & Scheuermann, Bolkenhain]
Freiburg I Vigorous, long-stemed cutflower rose, light pink, veined darker

Magazine  (1916)  Page(s) 93.  
 
Freiburg I Name registration 1916 by Weber & Scheuermann, Bolkenhain