Book  (Jan 2000)  Page(s) 74.  
 
Elsa Sass Herbaceous Peony. Sass 1930... white outer petals surround a center of pale pink and yellow tones...

Website/Catalog  (1960)  Page(s) 3.  
 
White Peonies
Elsa Sass (H. P. Sass 1930) A Gold Medal variety very worthy of the distinction. Full double, rather dwarf growing. A lovely white, veiled pink. Stems are stiff and strong, holding the beautiful large blooms erect under all conditions. A true rose form. Does well everywhere and is an outstanding favorite with all who grow it and a consistent winner at shows. Possesses a texture like velvet and shows remarkable class. Mild, pleasing fragrance. $2.00

Website/Catalog  (1940)  Page(s) 3.  
 
Peony Collections
Elsa Sass (Late) Distinct large white. $5.00

Magazine  (Sep 1930)  Page(s) 29.  
 
Department of Registration
The following peonies are submitted for registration by H. P. Sass of Washington, Nebraska:
Elsa Sass. Double type; large; late. Globular white flowers on strong, medium tall stems. Formerly No. 11-27.