Rugosa Roses and Hybrid Rugosa Roses grown by Azalea House Flowering Shrub Farm with links to pictures (when available). This class is often healthier and hardier than other modern roses.
Agnes | Rugosa Rose | David Austin Roses
Agnes' rugosa rose - FineGardening
Rose (Rosa 'Agnes') in the Roses Database - Garden.org
Rosa rugosa | landscape architect's pages
Rosa 'Agnes' from Burncoose Nurseries SHRUB AND SPECIES