Book  (Apr 1993)  Page(s) 583.  
 
Sunkist™ Hybrid Tea, Flowers orange-copper [yb], 1932, 'Joanna Hill' sport; Hill, E.G., Co.

Website/Catalog  (1937)  Page(s) 105.  
 
Sunkist (E. G. Hill 1931), vivid coppery orange, cutting and garden rose. HT

Book  (1936)  Page(s) 687.  
 
Sunkist (HT) E. G. Hilll 1932; sport of Joanna Hill; vivid coppery orange, large, well double, long pointed buds, otherwise like Joanna Hill. Sangerhausen

Website/Catalog  (1935)  Page(s) inside cover.  Includes photo(s).
 
Sunkist Hybride de thé. 1932

Magazine  (Dec 1932)  Page(s) 110.  
 
Culture forcée en serre :....Plantation des massifs :....Sunkist, H. T. 1932, jaune orange (sport de Joanna-Hill).