Book  (1936)  Page(s) 757.  
 
Wierel, Charlotte (Polyantha) Walter 1926; B. Leroux X H. Videnz; cream-white, center pink, medium-size, double, flat, in clusters of 10-30, floriferous, continuous bloom, growth 5/10, short, bushy. Sangerhausen

Book  (Dec 1928)  Page(s) 237.  
 
Charlotte Wierel Dwarf Polyantha. (Louis Walter, 1926) 'Bébé Leroux' x 'Hèléne Videnz'... cream-white, passing to bright rose-pink at center...