Book  (2005)  Page(s) 101.  
 
location G:203/5, Koza, Hansen 1927, hybrid arkansana, carmine-pink, medium size, semi-double, tall

Book  (19 Apr 2000)  Page(s) 291.  
 
Koza Hybrid rugosa, deep pink; 1927; includes parentage.

Book  (1936)  Page(s) 391.  
 
Koza (hybrid arkansana) Prof. Hansen 1927; R. rug. sibirica X La Melusine; deep pink, large, semi-double, in clusters of 5-10, once-blooming, growth 7/10, climbing, 2 m, very hardy. Sangerhausen

Book  (1927)  Page(s) 227-228.  
 
Contains a lengthy listing of Prof. Hansen's roses, including Koza, noting description and parentage of each.

Book  (1927)  Page(s) 51.  
 
Koza Rose - Introduced 1927. Pedigree: Seed parent, our seedling of Rosa rugosa, Siberian form x La France; pollen parent, La Melusine, a rugosa hybrid. Vigorous plant, over 7 feet in height; a profuse bloomer. Flowers semi-double; deep pink; blooms freely through July and into August.

Book  (1927)  Page(s) 51.  
 
Koza Rose - Introduced 1927. Pedigree: Seed parent, our seedling of Rosa rugosa, Siberian form x La France; pollen parent, La Melusine, a rugosa hybrid. Vigorous plant, over 7 feet in height; a profuse bloomer. Flowers semi-double; deep pink; blooms freely through July and into August.