Book  (1936)  Page(s) 141.  
 
Chamberlain, Helen (HT) Easlea 1918; cream-yellow, center shaded golden-yellwo, outer petals almost white, very large petals, fine form.

Website/Catalog  (1921)  Page(s) 18.  
 
Roses.
Helen Chamberlain, Creamy yellow, shading to orange gold in centre, and paling to almost white on outer petals; class: Hybrid Tea; habit of growth: vigorous.

Book  (1918)  Page(s) 202.  
 
Advertisement.  Easlea's New Roses for 1918.
Helen Chamberlain  (Hybrid Tea. An ideal exhibition flower of exquisite shape with huge guard petals, giving it a remarkable distinction. The colour is rich creamy yellow, shading to orange gold in centre, and paling to almost white on outer petals. The growth is vigorous, foliage very fine. Splendid also for bedding.