Rosa 'Cardinal de Richelieu' - rose Cardinal de Richelieu (gallica) | Beautiful flowers, Amazing flowers, Purple flowers
Cardinal de Richelieu (Shrub Rose) | Peter Beales Roses - the World Leaders in Shrub, Climbing, Rambling and Standard Classic Roses
Vintage 1951 First Edition Better Homes & Gardens- Garden Book- 5 Ring Binder | eBay
Rose (Rosa 'Cardinal de Richelieu') in the Roses Database - Garden.org
Rose (Rosa 'Cardinal de Richelieu') in the Roses Database - Garden.org
Richelieu Rock was fantastic but so busy! - Diving liveaboard in Thailand and Myanmar
World's First 'Blue' Rose Soon Available in U.S. | WIRED
heirloom gardener: Six Trouble-Free Heirloom Roses: Rose de Rescht, Paul Neyron, Madame Plantier, Variegata di Bolgona, Henry Martin, and Tuscany Superb