Book  (Jan 2000)  Page(s) 76.  
 
Henry Bockstoce Herbaceous Peony. Bockstoce 1955. A large dark red double, an advanced-generation hybrid of a cross between Paeonia lactiflora and P. officinalis...

Magazine  (Sep 1963)  Page(s) 25.  
 
Originations of W. S. Bockstoce [Included with his obituary]
Note: All these are hybrids of Officinalis Rubra and some lactiflora variety.
Henry Bockstoce (1955). D. E. R. Tall, dark red double, rose center, strong stems.