EDWIN C. BILLS (Murawska 1959) D.M. Red (Rosalie x Beth Ann) Large, full double, medium height, midseason, strong stems. Bulletin #155 December 1959.
M.S. Uspenskaja 2003, p. 118:
Central Botanical Garden of the National Academy of Sciences of Belarus, Minsk: index plantarum 2007, available under [link]: listed
