Book  (1978)  Page(s) 38.  
 
Review of New Roses 1977-1978
Young Quinn Yellow. 14 reports; 2 years; Av. height 170cm; Rating 6.0. Cambridge: Bushes very prone to wind damage, always picking up branches. Gisborne : Bit of a fizzer in our district, will give him another year. Christchurch: Improvement on 'Peer Gynt', Healthy and plenty of bloom which also fades.

Book  (1977)  Page(s) 33.  
 
Review of Newer Roses - 1976-77 Season
Young Quinn Yellow. 10 reports. 1 year. Av. height: 122cm. Rating 7.4. Gisborne: He's going places with his faint tinged pink on yellow. Delightful. West Coast: Good clean growth. Yellow colour fades fast. Northland: Lovely yellow with good form.

Book  (1977)  Page(s) 119.  
 
The Centenary International Rose conference. Rose Breeding.
Answering a question why 'Claire Grammerstorf' was used in breeding, Sam explained yellow was always a difficult colour and 'Claire Grammerstorf' was useful, particularly for giving hardiness and vigour. He was lucky to have had some success with 'Arthur Bell', 'Yellow Pages' and Young Quinn. They owed their constitution to Grammerstorf.

Book  (1976)  Page(s) 32.  
 
New Rose Registrations.
Young Quinn Yellow. HT. S. McGredy. Year of Registration 1975.

Book  (1976)  
 
p26. Sam McGredy. Report from New Zealand.
Growth is phenomenal. For example plants of Young Quinn planted in '74 had reached fifteen feet in height by the end of last summer. And they were by no means exceptional.

p199 John Mattock Ltd. advertisement.
Young Quin'. Sam named this one for a champion Trans-Tasman racehorse - we hope that this romps past the post ahead of other yellows. A fine vigorous upright plant carrying clear yellow blooms of good size.

Website/Catalog  (1975)  Includes photo(s).
 
Cover Photo. Young Quinn

p16. Young Quinn (Flor.) McGredy, 1975). This exclusive Australian release from McGredy is a tribute to his skill to produce something so perfect. A truly beautiful yellow produced in profusion in the style of the grandifloras. Tall grower with lovely foliage which sets off this rich colouring. Our colour illustration says much more than words to describe this wonderful new creation.