Book  (2011)  Page(s) 61.  Includes photo(s).
 
My two spelter ewers hold ornamental pear branches laden with brown berries, coupled with pink and cream 'American Heritage' roses along with 'Helena', the soft apricot sport of 'Helen Traubel' in the lower ewer. 

Website/Catalog  (2003)  Page(s) 14.  
 
‘Helena’ Hybrid Tea. Pink blend. Treloar. 1982.

Book  (1999)  Page(s) 301.  Includes photo(s).
 
Helena  modern, large-flowered/hybrid tea, light yellow, repeat flowering.  ....long buds .... double high-centered blooms ....maize yellow, with 20-25 petals.....large flat flowers showing stamens.  .....good fragrance.... foliage is leathery and matte mid-green.........1982.  Sport of 'Helen Traubel' x ('Charlotte Armstrong' x 'Glowing Sunset'). 

Website/Catalog  (1987)  Page(s) 10.  
 
‘Helena’ HT. sport of ‘Helen Traubel’. 1982. pink blend.