Book  (Apr 1993)  Page(s) 49.  
 
Betty Stielow Hybrid Tea, deep pink, Stielow Bros., 1928. 'Premier' sport.

Book  (1940)  Page(s) 20.  
 
Betty Stielow Hybrid Tea. (Stielow, 1928)... deep dark pink, almost red at times.

Book  (1936)  Page(s) 682.  
 
Stielow, Betty (HT) Stielow Bros. 1928; Sport of Premier, deep pink, fades to light red, large, double, lasting, fragrance 3/10, floriferous, repeats well, growth 6/10, upright, bushy. Was called earlier: Betty.