Book  (1936)  Page(s) 553.  
 
Perfection (HT) Stielow 1925; sport of Columbia; pink, large, very double, cup form, lasting, solitary, fragrance 4/10, floriferous, continuous bloom, few prickles, small light green foliage, growth 6/10.

Magazine  (1928)  Page(s) 211.  
 
Columbia (HT) E. G. Hill 1919) Ophelia X Mrs. George Shawyer....
e) Perfection HT (Stielow Broth. 1925) Sport of Columbia