Book  (2007)  
 
Red Sweetheart 'Red Sweetheart' Pol, rb, 1944, Krebs. Includes description. Intros.: Marsh's Nursery.

Book  (1947)  Page(s) 128.  
 
Herbert C. Swim. An Evaluation of the Newer Roses in the United States
Red Sweetheart, in the Polyantha group, is free-flowering and has excellent bud form for its type but is a difficult colour.