Book  (2012)  Page(s) 18.  
 
Hayden Foulds. Nola Simpson Memorial Rose Show and Dinner.
Several large vases of roses Nola bred were on display including a bloom of 'Hamish'. This variety was bred by John Simpson and at Nola's insistence, was named for her much loved cat.

Book  (2004)  Page(s) 20.  
 
Olwyn Hill: World Rose Convention, Glasgow 2003.
Peter Harkness also mentioned Nola Simpson's 'Hamish the Cat' and ....

Book  (1986)  Page(s) 124.  
 
'Hamish' (SIMhaha). HT. (J. W. Simpson, 1979. 'Fairy Dancers' x 'Diamond Jubilee'. Bud ovoid. Fl. yellow blend, dbl. (50 petals), exhibition blooms borne singly; Fol. medium green; dark brown prickles; Vig., medium, upright to bushy growth; yb

Book  (1984)  Page(s) 121.  
 
Dr. A. S. Thomas, Victoria.  Some Of The Newer Introductions.
Hamish  (J. Simpson). Well-formed buff yellow blooms on strong plants. A good dual-purpose cultivar.

Book  (1983)  Page(s) 127.  
 
Dr. A. S. Thomas, Victoria. Some Of The Newish Cultivars. 
Hamish Large flowered (John Simpson). Named for the raiser's cat!  An outstanding dual purpose rose. A little paler than 'Diamond Jubilee'.

Book  (1980)  Page(s) 97.  
 
New Zealand Rose Registrations 1979.
'Hamish' (SIMhaha). HT. yellow blend. Raiser: J. W. Simpson.