Book  (5 Apr 2010)  
 
Jessie Clark LCl, mp, 1915, Clark, A.; flowers rosy pink, becoming lighter, 12 cm., single; non-recurrent; foliage dark, leathery; very vigorous growth. [R. gigantea × Mme Martignier]. Introductions: NRS Victoria

Book  (2010)  Page(s) 19.  Includes photo(s).
 
Jessie Clark was twenty-four years old when……

Magazine  (2006)  Page(s) 24. Vol. 28, No.3.  
 
Peter Cox. ‘Australian Roses’ Some of the pale pink rose photographs have printed poorly in the book on glazed paper, although the colour was good on the plain paper proofs. This could be due to the colour balance being incorrect for the sheet or insufficient light in the transparency. The roses are: p8 Jessie Clark

Book  (Dec 1998)  Page(s) 326.  
 
Jessie Clark Large-flowered Climber. Clark (Australia) 1915. Rosa gigantea x 'Mme. Martignier'... a pink R. gigantea seedling with large, single flowers... In the initial years all proceeds for sales of this rose were donated to the National Rose Society of Victoria...

Book  (1994)  Page(s) 72-73, 120.  
 
Pages 72-73: Named after Alister's dearly loved niece, she is one of the first roses to bloom in the spring. She does not repeat
Page 120: Jessie Clark 1915. Probably R. gigantea x 'Madame Martignier'. [Clark's] first great success. Very large, single roses of clear pink...

Book  (Apr 1993)  Page(s) 271.  
 
Jessie Clark Large-flowered Climber, rosy pink, becoming lighter, single, 1915, R. gigantea x 'Mme. Martignier'; Clark, A. Description.

Book  (1938)  
 
p69.  H. Alston. A Visit to "Glenara". 
In 1915 Mr. Clark surprised rosarians with the production of Jessie Clark, the largest single Rose in cultivation, with blooms of rich, clear pink and flowering particularly early in the season. This was the first of many Roses presented to the National Rose Society of Victoria.

p87.  T. A. Stewart.  The Beauty and Value of Single Roses
Outstanding also among the early flowering varieties are Mr. Alister Clark's spring bloomers, of which Jessie Clark and Flying Colours are, I think, the greatest favourites, and deservedly so, the large, rich pink flowers of Jessie Clark being a familiar sight before the other Roses begin to arrive. It is a splendid grower, with absolutely disease-proof foliage;

(1938)  
 
Jessie Clark. —  large single pink, foliage dark green.

Book  (1936)  Page(s) 158.  
 
Clark, Jessy (hybrid gigantea) A. Clark 1924; R. gigantea X ? ; light pink, very large, single, Clematis-form, free-blooming, late-blooming.

Magazine  (Jun 1932)  Page(s) 57.  
 
En Australie, M. ALLISTER-CLARK, de Bulla, a également obtenu les hybrides de Gigantea ci-dessous :...
Jessie Clark, 1915, rose.