Book  (2000)  Page(s) 96-97.  Includes photo(s).
 
‘Avocet’/HARpluto = Floribunda. Ce rosier ne passe pas inaperçu… corolles aux pétales ondulés, orange bordé de vermillon cuivré, pâlissant au rose orangé… buisson bas et étalé, feuillage sombre et luisant… L’avocette est l’emblème de la RSPB, société de protection des oiseaux en Grande-Bretagne… Harkness UK 1984.

Book  (Dec 1998)  Page(s) 96-97.  Includes photo(s).
 
Avocet (HARpluto) Floribunda. Harkness (UK) 1984. Description... orange edged with coppery vermilion, paling to orange-pink... The avocet is the emblem of The Royal Society for the Protection of Birds...

Book  (Apr 1993)  Page(s) 35.  
 
Avocet Floribunda, orange edged vermilion, 1983, (HARpluto); 'Dame of Sark' x Seedling; Harkness, R. Description.

Book  (1993)  Page(s) 180.  Includes photo(s).
 
A Floribunda with dark, glossy foliage. Harkness (Britain) 1984. ('Dame of Sark' x seedling).

Book  (May 1992)  Page(s) 262.  
 
Avocet (Harpluto) Description... very large clusters of semi-double blooms, orange faintly edged pink to copper...

Book  (1987)  Page(s) 117.  
 
Colin Horner, What's New in the U.K.
'Avocet' (Harpluto) is another appealing Harkness orange floribunda which is always in bloom 

Book  (1982)  Page(s) 37.  
 
E. F. Allen, Awards To Rose Seedlings In Great Britain In 1981. 
HARpluto (seedling x seedling), a very pretty floribunda,  by Harkness, with clusters of semi double flowers of an orange vermilion blend. It was quite severely attacked by powdery mildew in September, 1980. Trial Ground Certificate.