Website/Catalog  (2020)  Page(s) 91.  
 
Heraldo, P. Dot, 1949, Cl. HT, purple-pink, climber, very double, large, long pointed buds, extremely fragrant, dark brown foliage, Guinée X Texas Centennial, strong and rigid canes, bibliography: RE-LD, mcf10

Book  (1958)  Page(s) 155.  
 
Heraldo. Cl.HT. (M. Dot; int. P. Dot, '49.) Guinée X Texas Centennial. Bud long pointed; fl. large, very dbl., very fragrant, purple-pink. Fol. leathery, dark. Abundant bloom.

Book  (1952)  Page(s) 17.  
 
Harry H. Hazlewood.  The New Roses of 1952.  Heraldo (Dot, 1949). As it flowered here it was an attractive rich, carmine pink with a yellow base. Good foliage and large double fragrant blooms.

Magazine  (Sep 1951)  Page(s) 3. trimester, p. 92.  
 
Registration Internationale des Roses Nouvelles en 1950 Sous le contrôle de la National Rose Society, de l'American Rose Society et de la Société Française des Roses ...
Reg. No. U.S.A.; Heraldo; Enregistrées par U.S.A.; Obtenues par Pedro Dot, Spain