Website/Catalog  (1957)  Page(s) 11.  
 
Red Japanese, Auten Originations
Sentinel  All red, in the typical American beauty shade, with small yellow dots on narrow red center petaloids. On a perfect plant, tall, stiff stems, and a strong grower....$1.50

Website/Catalog  (1931)  Page(s) [2].  
 
14 Japanese, 19 Singles, 13 Doubles
A Sensational Offering of New Peonies Originated by Edward Auten, Jr. Princeville, Illinois
Japanese. 1931 Introductions.
Sentinel—All red Jap, medium sized blooms well above the foliage, tall stiff stems....$7.00