1911 · Charles F. Saul (Firm), Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution)
1909 · Charles F. Saul (Firm), Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution)
1908 · Charles F. Saul (Firm), Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution)
1906 · Charles F. Saul (Firm), Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution)
1905 · Charles F. Saul (Firm), Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution)
1904 · Charles F. Saul (Firm), Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution)
1903 · Charles F. Saul (Firm), Henry G. Gilbert Nursery and Seed Trade Catalog Collection., et al. · Biodiversity Heritage Library (Smithsonian Institution)