Book  (1928)  Page(s) 52.  
 
Check List of Double Peonies
Rubra superba. (Richardson, 1871.) 7.2 (Sym. 1921). Crimson. Discarded.

Website/Catalog  (1927)  Page(s) 27.  
 
Rubra Superba (Richardson) 
American Peony Society Rating of 7.2 (43 votes)
Rich brilliant crimson without stamens.  Very late. Individual flowers very fine.  Its one fault being that it is not a free bloomer.  Each $1.00

Website/Catalog  (1926)  Page(s) [3].  
 
Descriptive Price List
Rubra Superba—Late. Large double rose....$1.00

Website/Catalog  (1925)  Page(s) 25.  
 
Rubra Superba.—Rose type. Deep crimson, medium grower and bloomer. Large. Fragrant.

Website/Catalog  (1922)  Page(s) 13.  
 
General List of Peonies
7.2 Rubra Superba. (Richardson, 1871.) Large, compact, informal rose type. Deep rose-carmine or crimson, 2(169). Fragrant. Medium grower and bloomer. Very late. Considered the best very late crimson. 75 cents.

Website/Catalog  (1920)  Page(s) 37.  
 
Brand's List of Selected Peonies
Red Varieties
Rubra Superba. (Richardson, 1871.) Rose type. Very late. A beautiful rich brilliant dark crimson. Without stamens. A large full double. Fragrant. One of the very best keepers of the late varieties. It is by all means the best late dark red, and every collector should have it. Rather a shy bloomer until the plants become well established. Large Division, 75 cents.

Website/Catalog  (1920)  Page(s) 25.  
 
Double Flowering Peonies
*Rubra Superba. (Richardson, 1871.) Large, compact, informal rose type. Deep crimson. Fragrant. Very late....$1.00

*We consider these varieties to be the best for the money.

Website/Catalog  (1918)  Page(s) 17.  
 
Paeonia albiflora: Richardson Seedlings.
The following Peonies are seedlings raised by the late Mr. John Richardson of Dorchester, Mass., who was well known as a very skillful horticulturalist. The Peonies that he originated include some of the finest known varieties.
Rubra Superba. Bright crimson carmine, uniform color throughout, large flower, erect, perfectly double, late. The only crimson variety in the Richardson seedlings. First Class Certificate of Merit, 1871. Extra. 75 cents.

Book  (1917)  Page(s) 100.  
 
Rubra Superba. Clear dark red without any purple tinge. Good colour. Valuable because of its lateness. Richardson, 1871. Rose. Red. Large. Very late. Fragrant. Tall, erect strong grower, but not a free bloomer. Especially good for cutting.

Website/Catalog  (Aug 1910)  Page(s) 13.  
 
Pivoines herbacées...Variétés nouvelles...Rubra superba (Richardson); globuleuse, carmin amarante ...3 fr.

[no longer listed in the 1928 catalogue]