Book  (1980)  
 
New Zealand International Trial Ground Results 1970-1980. Certificate of Merit Winners.
1977. Tojo 70-741 (McGredy).

Book  (1977)  Includes photo(s).
 
p25. Pamela Morrah. What's New At The Trial Ground.
Of the larger floribundas, there are a few first rate perpetual flowering, healthy, shiny-leaved ones several from Sam McGredy, Tojo....

p26. ibid. Trial VII, 1977. Certificate of Merit. 75/617*. Tojo Fl. McGredy, New Zealand.
[*A trial number, not a breeder code number]

p33. Photo. To-Jo. McGredy. Certificate of Merit, 1977.