Book  (1981)  Page(s) 162.  
 
The Rose Trials. The following are varieties planted in autumn 1977 or spring 1978 and which finished their trial in 1980. T.G. 3864. Macinca McGredy, Miniature. red

Book  (1980)  Page(s) 255.  
 
John Mattock advertisement.
Longleat (Macinca). To celebrate Longleat 400 and the seventieth birthday of the Marquess of Bath. A bright scarlet, very free-flowering miniature rose of great promise. (Mcgredy).

Book  (1979)  
 
p25. Pamela Morrah. What's New in the Trial Ground This Year?
MACinca orange-scarlet and.... all gained good points.

p40. New rose registrations 1978
Wanaka (MACinca) ®. Min. Red blend. Sam McGredy