Book  (Apr 1993)  Page(s) 330.  
 
Lydia Hybrid Tea, deep yellow, 1949, 'Phyllis Gold' x Seedling; Robinson, H. Description.

Book  (1974)  Page(s) 53.  
 
....the basis of them all being 'Phyllis Gold', with the line taken up by Lydia, an intense saffron yellow rose

Book  (1953)  
 
p18.  Harry H. Hazlewood.  The New Roses of 1953. 
Lydia (Robinson 1949). One of the deepest yellows so far tested. The buds carry a reddish flush opening to double blooms of really rich deep yellow. Growth is moderately vigorous with rich glossy foliage.

p129.  Dr. A. S. Thomas.  New Roses
Lydia is a very free blooming clear vivid yellow with medium-sized flowers and perfect foliage—a wonderful. bedding variety. It reminds one of Mme. Pierre S. du Pont but it is almost certainly a great improvement.

Website/Catalog  (1953)  Page(s) 6.  
 
Novelty Roses 1953. Lydia H.T. (Robinson, 1949.) Very deep yellow buds with a red flush opening to medium sized blooms. Glossy foliage on plants of medium growth. One of the deepest yellows we have seen. 12/6 each.

Book  (1952)  Page(s) 15.  
 
Harry H. Hazlewood.  The New Roses of 1952. Lydia (Robinson, 1949). Fully double, rich yellow buds with a red flush opening to medium-sized blooms of good form. Looks good.