Book  (1936)  Page(s) 145.  
 
Charme (Charm) (HT) Ravensberg 1930; cherry-red, very large, very double, fragrance 5/10, strong stems, upright, growth 6/10, earlier: Germania. Sangerhausen

Book  (1936)  Page(s) 295.  
 
Germania (HT) Ravensberg 1929; sport of Columbia, bright deep pink, very large, very double, fine form, floriferous, long & strong stems, habit like Columbia
Germania (HT) = Charm or Charme.