Book  (1967)  Page(s) 27.  
 
Roy and Heather Rumsey. New Roses. Hybrid Teas.
'Supreme'. (Le Grice). A pale yellow with between forty and fifty petals. The growth is surprisingly good, and we expect better form as the plants attain another year's growth.

Book  (1965)  Page(s) 202.  
 
E. B. Le Grice (Roses) Ltd. advertisement. Introductions for Autumn, 1965. 'Supreme' (HT). full exhibition type flower in rich golden yellow. Growth moderately tall. Good for exhibition or bedding (protection pending).

Magazine  (Nov 1964)  Page(s) 4. trimester, p. 11.  
 
Dans le cadre des grandes manifestations florales, le jury du concours international des roses de Bagatelle s'est réuni le jeudi 11 Juin 1964 à neuf heures, sous la présidence de M. Eyraud. directeur des Beaux-Arts. ...
Certificat de Bagatelle : Suprême. Points : 134,64. Obtenteurs : M. LE GRICE Yarmouth Road. North-Walsham - Norfolk-England.

Book  (1964)  Page(s) 200.  
 
New Roses of the World.
'Supreme'. HT, my (E.S. LeGrice '63) 'Golden Masterpiece' x 'Ethel Sanday'. Lemon yellow, 40-45 petaled, exhibition-type, 4 1/2 - 5 inch bloom born singly. Good fragrance. Glossy, leathery, deep green foliage. Tall, free and hardy growth. Fairly free blooming.