Book  (1936)  Page(s) 337.  
 
Heller, Robert (HT) E. G. Hill 1911; ?

Book  (1922)  Page(s) 176.  
 
HILL CO., E. G., Richmond, Ind.
See ..... Rena Robbins, H.T.; Rhea Reid, H.T.; Richmond, H.T.; Robert Heller, H.T.; Robin Hood, H.T.; Rosalind Orr English, H.T.; Rosemary, H.T.; Rose Premier, H.T. ....

Book  (1918)  
 
p114 Robert Heller. Clear color; fairly good growth: attractive foliage; shy bloomer. Toward fall greatly resembles William R. Smith. Tested only on own roots.

p149 List of American Roses
Robert Heller, T. (Hill, 1911.)

Book  (1916)  Page(s) 124.  
 
Roses Hybridized by E. G. Hill Robert Heller, T. 1911

Website/Catalog  (1914)  Page(s) 34.  
 
Robert Heller - (Heller, 1911) (T.) Deep golden-yellow; a seedling from Perle des Jardins, deeper in color and stronger in growth. A constant summer bloomer, vigorous, thrifty and one of the most brilliant and beautifully formed yellow Roses yet introduced.