Website/Catalog  (1958)  Page(s) [4].  
 
Herbaceous Peonies
Officinalis
Lobata Otto Froebel...$2.50

Website/Catalog  (1936)  Page(s) 12.  
 
May-Flowering Pæonies.
Herbaceous species and varieties.
Single-flowered unless otherwise described.
Lobata Otto Froebel. Coral-red...3/-

Book  (1907)  Page(s) 90.  
 
933. FROEBEL, OTTO; P. officinalis.
(1) 1899, Peter Barr & Son Cat.
(2) 1900, Cyc. Am. Hort., p. 1191.
(3) Cornell Plot No. 649.