Book  (2 Oct 2009)  
 
‘Olwyn’. HT, mp, 1946, Bird; bud long, pointed; flowers pink, medium, high-centered, slight fragrance; foliage leathery; vigorous, bushy growth
Introductions: F. Mason

Book  (Apr 1993)  Page(s) 704.  
 
S. R. Bird, Australia.

Book  (1967)  Page(s) 171.  
 
Advertisement. Frank Mason & Son Ltd. of Feilding.

Book  (1952)  
 
p24. S. R. Bird, Australia (Olwyn).

p223 ‘Olwyn ‘. HT., (Bird; int. F. Mason ’46). Bud long-pointed; fl. Medium size, high-centered, slightly fragrant, pink. Fol. Leathery. Vig., bushy; abundant bloom.