Book  (1937)  
 
p86.  John Poulsen.  Christchurch Roses
Olive Cook.- Good growth, producing large, shapely flowers which, however, are rather full for our climate and many have failed to open properly.

p127.   Mr. C. Heers, Q’ld. Novelties in Queensland.
Olive Cook.—A good exhibition white, but the growth will have to improve if it is to stay.

Website/Catalog  (1937)  Page(s) 46.  
 
New Roses 1936.  Olive Cook (HT.  F. Cant & Co. Ltd, 1934) 2. ....Blooms last well when cut.  A.H.M.Mts.P.S.

Book  (1936)  
 
p34.  Harry H. Hazlewood.  The New Roses of 1936. 
In white or light sorts Olive Cook (F. Cant) promises well as an exhibition Rose.

p53.  H. W. Stansfeld, Camperdown, Victoria. Roses in England, 1935.
The novelty, Olive Cook, was here seen for the first time. It is a fine, large white with long stiff petals, not unlike Mrs. F. Hobbs, and appears promising for exhibition, having great lasting power in heat.

Website/Catalog  (1936)  Page(s) 42.  
 
New Roses 1936.  Olive Cook (HT.  F. Cant & Co. Ltd, 1934) Large, pure white flowers. ​4/- each.
Extra large, very double flowers which were somewhat flat on the young plants. A very promising sort.

Book  (1936)  Page(s) 170.  
 
Cook, Olive (HT) F. cant 1934; pure white, base pale lemon-yellow, large, double, fine form, high-centered, lasting, fragrance 7/10, floriferous, growth 6/10, upright.