1903 · Harlan P. Kelsey (Firm), Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution) · 2
1907 · Harlan P. Kelsey (Firm), Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution) · 1
1906 · Harlan P. Kelsey (Firm), Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution) · 1