Website/Catalog  (1963)  Page(s) 2.  
 
Novelty Roses 1963. Sun Valley HT. (Germains). A very bright yellow rose with nicely shaped buds. Foliage is a little sparse. 10/6 each.

Book  (1958)  Page(s) 13.  
 
Harry H. Hazlewood. Some New Roses For 1958. 
Sun Valley HT. (Whisler 1952). Large double blooms of good shape with a rich yellow colour which usually lasts well. It is a good grower with healthy glossy foliage. It was originally listed as 'Yukon', but the name was changed by the raiser.

Website/Catalog  (1958)  Page(s) 8.  
 
Novelty Roses 1958. Sun Valley HT. (Whisler, 1952.) Large, rich yellow blooms of good shape, which keep their colour well except in unusual conditions. - Good growth, with healthy glossy foliage. Formerly named YUKON. 12/6 each.

Book  (1957)  Page(s) 25.  
 
Harry H. Hazlewood. Some New Roses For 1957. 
Sun Valley HT. (Whisler 1954) . Fully double, golden yellow blooms which are said to be unfading in strong sunlight. This claim will be hard to fill and its performance will be watched with interest. Moderate growth so far. Formerly named 'Yukon'. 

Book  (1952)  Page(s) 264.  
 
Yukon Hybrid Tea. (Milton L. Whisler; introduced by Germain's 1952). 'Soeur Thérèse' x 'Mark Sullivan'... Large, open, yellow blooms... Light green, leathery foliage. Vigorous, upright habit.