Book  (Jan 2000)  Page(s) 236.  
 
High Noon Hybrid Tree Peony (Saunders 1952). Gold Medal. A semi-double yellow hybrid

Magazine  (Sep 1977)  Page(s) 21.  
 
"Botanical Descriptions of 40 Saunders Lutea Hybrids" by Dr. David Reath and Silvia Saunders
...These descriptions aim to provide the nurseryman and the average gardener with a means of determining the differences between the hybrids, many of which are very similar indeed...
High Noon—Semi-double bright yellow; tall plant; flowers well held up. A re-bloomer. Flares crimson; filaments short, uneven lengths, reddish. Stigmas cream; sheath pale cream.

Website/Catalog  (1960)  Page(s) 15.  
 
Tree Peony Hybrids or Lutea Hybrids
Crosses of the Japanese Tree Peony (P. moutan or suffruticosa) onto P. lutea or P. Delavayi. These bloom through the first half of June, sometimes longer. [...]
Because these hybrids fall rather naturally into a few large color groups, I have listed them by color, with the suggestion that when ordering, you either specify a group number only, or allow me some latitude in substituting. [...]
2. The "Golden Hind" Group.
Yellow, clear or almost clear. Generally semi- or fully double.
High Noon  Like a semi-double Argosy. Fine bright lemon yellow; good carriage.

Article (magazine)  (Jan 1955)  Page(s) 25.  
 
Varieties Raised in America. All by Professor Saunders...
The "Golden Hind Group." Yellow, clear or almost clear , generally semi- or fully double...
'High Noon,' (1952)

Magazine  (Mar 1954)  Page(s) 22.  
 
Hybrid Tree Peonies
...By far the most important work with these hybrids has been done by Prof. A. P. Saunders and his originations now number about 80. Their color range is truly remarkable. [...]
The list of hybrid tree peonies following is up to date as far as we could make it.
Originations of A. P. Saunders, Clinton, N.Y.
Hybrids of suggruticosa, lutea and Delavayi.
High Noon, Semi-double, lemon yellow. 1952.