Website/Catalog  (1909)  Page(s) 4.  
 
Duchess of Sutherland. Beautiful pink, tipped silver white, rose-scented; extra fine ....$ 1 50

Book  (1907)  Page(s) 207.  
 
2421. SUTHERLAND, DUCHESS OF; P.
(1) 1899, Peter Barr & Son's Cat., p. 46.
(2) 1904, Harrison's Paeony Manual, p. 52.

Book  (1904)  Page(s) 52.  
 
Single Paeonys.
I name a few of the leading ones from Kelway's list.
Duchess of Sutherland. Large, flesh pink; a lovely flower.

Website/Catalog  (1903)  Page(s) 4.  
 
Single Herbaceous Paeonies..Recent importations and the very best of their class ...
Duchess of Sutherland, large flesh pink. ...$1.50.

Website/Catalog  (1895)  Page(s) 23.  
 
New Single Herbaceous Pæonies for 1895 (Kelway's).
Duchess of Sutherland, large, flesh pink.