1855 · Wm. R. Prince & Co., Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution)
1846 · Wm. R. Prince & Co., Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution)
1846 · Wm. R. Prince & Co., Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution)