Website/Catalog  (1927)  Page(s) 30.  
 
Single Peonies: These are of the form of a wild single rose, having a single row of petals surrounding a tuft of golden stamens.
Stanley (Kelway). Single crimson, golden stamens.  Each $1.00

Book  (1917)  Page(s) 101.  
 
Stanley. Dark brilliant red. Do not confuse with Stanley (Crousse). Kelway. Single. Red. Large. Midseason. Tall, erect, very free bloomer. Stems red. Garden and massing.

Website/Catalog  (1916)  Page(s) 5.  
 
Single Herbaceous Peonies
Stanley, rich deep crimson, pure gold-colored stamens, a free bloomer, very desirable.

Website/Catalog  (1915)  Page(s) 42.  
 
Single Peonies
The following is a selection of only the choicest kinds. Mostly raised by Kelway & Son.
Stanley. (Kelway.) Large. Very dark, brilliant crimson, 5(165). Tall, very erect, and very free bloomer. Stems vivid red. Early midseason. This really is the most valuable crimson Peony in this class for landscape work, the brilliant color being very effective. 50 cents.

Website/Catalog  (1912)  Page(s) 12.  
 
Kelway's Peonies.
Kelway, of England, has produced some very fine varieties, such as Baroness Schroeder, James Kelway, Lady Alexandra Duff, and various other sorts.
Stanley. Rich, deep crimson, pure gold-colored stamens; a free bloomer; very desirable; single. 50¢

Magazine  (Nov 1911)  Page(s) 73.  
 
STANLEY.
Species — P. albiflora.
Originated by Kelway.
Donated by Farr.
Descripion of bloom — Type of bloom single. Color (total effect) dark crimson 5 (165); guards clear. Fragrance unpleasant X. Blooming time early to midseason. Large size.
Description of plant — Habit of plant erect, medium tall, medium compact. Growth strong and healthy. Stem medium long, strong, vivid red. Blooming habit free. Buds borne in clusters. Foliage medium furnished, dark green, medium size ; veins red.
Commercial value — For cut bloom poor; landscape value good. Variety as a whole good.
Remarks — Not as tall a grower as " Frank Bramley," possibly a heavier bloomer. " Stanley " is the better of the two varieties.
This variety should not be confused with "Stanley" (Crousse, 1879), which is a double sort. See Bulletin 278, page 292.

Website/Catalog  (1910)  Page(s) 35.  
 
Single Peonies
Stanley (Kelway). Richest maroon crimson, a gorgeous variety. 50¢.

Website/Catalog  (1910)  Page(s) 12.  
 
Single Herbaceous Peonies
25—Stanley. A gorgeous variety of the richest and deepest maroon-crimson, with pure gold colored stamens, tall; early. First-class Certificate Royal Horticultural Society. Award of merit Royal Horticultural Society...75¢

Website/Catalog  (1908)  Page(s) 39.  
 
Pæonia Chinensis, Chinese Pæony, Single Varieties
Stanley. Maroon crimson.

Book  (1904)  Page(s) 52.  
 
Single Paeonys.
I name a few of the leading ones from Kelway's list.
Stanley. A gorgeous variety of the richest and deepest maroon-crimson, with pure gold color stamens. First-class certificate, R. B. S., and Award of Merit, R. H. S.