Book  (1936)  Page(s) 720.  
 
Ursula, White Lady (HT) ? ? ; sport of L. Ursula; white, otherwise as above [Lady Ursula]

Book  (1931)  Page(s) 52.  
 
Roses of Australia. 1914. White Lady Ursula (H.T.) Queensland. Originated in Sumerlin’s Nursery, 1913. Distributed by James Potter, 1914. Sport from Lady Ursula, and except for colour is identical in every respect.