Book  (Apr 1993)  Page(s) 285.  
 
Katherine Cook Hybrid Tea, Flowers cherry-red [mr], 1927, 'Crusader' x Seedling; Cook, J.

Book  (1936)  Page(s) 170.  
 
Cook, Katherine (HT) Cook 1927; ? X Crusader; cherry-red, very large, very double, lasting, solitary, fragrance 3/10, floriferous, continuous bloom, strong stems, growth 7/10, bushy, hardy. = Mrs. Gilmer.

Book  (1930)  Page(s) 189.  
 
Katherine Cook. HT (Cook, 1927. This is one of John Cook's roses which got mixed up with 'Dorothy Dix' and 'Mrs. E. M. Gilmer' in the naming. In the confusion none of the roses was properly disseminated.

Website/Catalog  (1930)  Page(s) 36.  
 
New Roses 1930.  Katherine Cook (HT.  Cook 1927) A vigorous and bushy variety producing light red blooms after the type of ‘Francis Scott Key’. The flowers are large and full, but have little perfume. 5/- each.