Book  (1936)  Page(s) 426.  
 
Longworth, Mrs. (HT) Prince 1906; Testout X ? ; white, shaded deep flesh-colour and red, large, double, not floriferous, growth 5/10.

Book  (Apr 1915)  Page(s) 36.  
 
Mrs. Longworth sport of 'Caroline Testout'

Book  (Apr 1915)  Page(s) 63.  
 
Mrs. Longworth Hybrid Tea. Prince, 1908. Description and cultivation... An oddity only. Cream white, varied with light rose lines from end to base of petals...

Magazine  (22 Jul 1911)  Page(s) 350.  
 
The Parentage of Roses.
The following list of the world's Roses and their parentage has been compiled by Mr. Robert Daniel, 38 Russell Road. Fishponds, Bristol, and by his kind permission we are enabled to publish it...
Mrs. Longworth... Hybrid Tea, Prince, 1906, Sport Caroline Testout

Website/Catalog  (1911)  Page(s) 22.  
 
Hybrid Teas. Mrs. Longworth. White, lightly splashed and striped with deep pink; unique; a sport from 'Caroline Testout'.