Book  (Apr 1993)  Page(s) 580.  
 
Summer Holiday® Hybrid Tea, vermilion, 1967, 'Tropicana' x Seedling; Gregory. Description.

Book  (1988)  Page(s) 137.  
 
Summer Holiday Description. Parentage: 'Super Star' [aka 'Tropicana'] x unknown.

Book  (1971)  
 
p24.  Roy and Heather Rumsey,  NSW.  New Roses. 
Summer Holiday HT. (Gregory). Vermilion orange, fragrant and free flowering with about 50 petals.

p154. Mr. W. G. Treloar, Victoria. The New Ones. 
Summer Holiday (Gregory). On the Continent and in England this vermilion cultivar is already spoken of as the main rival to 'Super Star'. Whilst a mature plant may not reach the large proportions of 'Super Star' it is more healthy and the well formed blooms are pleasantly scented. Winner of several international awards.

Book  (8 Mar 1970)  Page(s) 125.  
 
Summer Holiday [One of Harry Wheatcroft's selections of the Best Hybrid Teas.] Introduced in Britain in 1969. Description... dark vermilion, ['Lucy] Cramphorn'-type flowers...

Book  (1970)  Page(s) 155.  
 
Mr. W. G. Treloar, Portland, Victoria. The New Ones.  
Summer Holiday This vivid orange-red one has won many overseas awards. The healthy bush will produce exhibition standard flowers.