Book  (Apr 1993)  Page(s) 442.  
 
Percy Thrower Hybrid Tea, rose-pink, 1964, 'La Jolla' x 'Karl Herbst'; Lens. Description.

Book  (8 Mar 1970)  Page(s) 128.  
 
Percy Thrower [One of Harry Wheatcroft's selections of the Best Hybrid Teas.] Description... silvery pink, deeper towards centre... Trial ground certificate, Britain.

Book  (1968)  
 
p125.  Roy and Heather Rumsey, NSW. New Roses. 
Percy Thrower (Lens) Hybrid Tea. The blooms have about 20 petals and the growth is good, but the rose is somehow not very attractive.  ('La Jolla' x 'Karl Herbst').

p157.  Dr. A. S. Thomas. New Roses in Victoria. 
Finally a post-script about Percy Thrower, which was new last year - it has given me many magniflcent blooms and was extremely early last Spring. It was finished blooming before any others had commenced and every flower was of show standard.

Book  (1966)  Page(s) 113.  
 
Dr. A. S. Thomas. New Roses in Victoria. 
Percy Thrower. HT.  (Lens, 1964) 'La Jolla' x 'Karl Herbst'. Thirty petals make up a big, shapely, very decorative, light pink, fragrant flower. The tall plants have glossy foliage and they bloom freely. Named for a famous English horticulturist.

Book  (1963)  Page(s) 161.  
 

Trial Ground Awards 1962. 
Trial Ground Certificate to Percy Thrower (HT) . Trial Ground No.  1855. Reg. No. 776. Raiser: Louis Lens, Belgium.  Distributor: C. Gregory  & Sons Ltd., Chilwell, Notts. ‘La Jolla' x 'Karl Herbst'. Vigour of growth, 8. Habit of growth tall but irregular with deep green glossy foliage, 6. Freedom from disease, 15. Blooms of good exhibition form (25 large petals), 5 to 6 inches across when open, 8. Colour clear pink, silver at edges as flower fades, 8. Freedom of flowering, 14. General effect, 7. Fragrance, 4.