Book  (1936)  Page(s) 214.  
 
Dorothea, Lady (tea) Dunlop 1898; sport of Sunset; yellow and pink

Book  (1906)  Page(s) 86.  
 
5.531. Lady Dorothea, Thé, Dunlop 1898 jaune et rose

Book  (1906)  Page(s) 174.  
 
Lady Dorothea, 1898, by Mr. John H. Dunlop, Toronto, Canada, a lovely rose, ground colour similar to Safrano, with delicate pink shading, large size, and very free flowering.

Website/Catalog  (1904)  Page(s) 92.  
 
Lady Dorothea  T.  Colour, an apricot buff; very beautiful in the bud, producing an abundance of flowers

Book  (1902)  Page(s) 776.  
 
From the "Perls" [Perle des Jardins] quite a number of sports have originated. The first was "Sunset".....Another sport came from Canada, but this i am inclined to think sported from Sunset and was called Lady Dorothea; the coloring was more intense in [Lady Dorothea] than in [Sunset.]

Book  (1902)  Page(s) 73.  
 
Thé. 1561. Lady Dorothea (Amérique), jaune et rose

Magazine  (25 Aug 1900)  Page(s) 124.  
 
The registrations in this department [of Plant Registration] since our last meeting were as follows: 
April 16, 1900, by J. H. Dunlop, Toronto, Ontario, Rose Lady Dorothea.

Magazine  (12 Nov 1898)  Page(s) 425.  
 
Boston. The annual chrysanthemum show of the Massachusetts Horticultural Society is now on, favored with the most delightful weather and an unprecedented attendance of the craft from distant points..... John H. Taylor's new pink rose, Admiral Dewey, and J. H. Dunlop's Lady Dorothea are also shown and have received honorable mention.

Magazine  (1898)  Page(s) 249.  
 
Honorable Mention.....Chrysanthemum Show, November 8-11. John H. Taylor, for Rose Admiral Dewey.
November 8-11. John H. Dunlop, for Rose Lady Dorothea.