A short flora of Berwickshire - Braithwaite, Michael E. (M.E. Braithwaite, 2014)

A short guide to the best varieties of evergreens, trees, evergreen shrubs, shrubs, perennials, fruits, etc., in large size as well as small, as well as small, together with both retail and special quantity prices for spring, 1944 : catalog no. 134 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1944)

A short guide to the best varieties of evergreens, trees, evergreen shrubs, perennials, fruits, etc., in large sizes as well as small, together with both retail and special quantity prices for the spring 1945 : catalog no. 136 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1945)

A short guide to the best varieties of evergreens, trees, shrubs, vines, fruits, with special prices for spring 1948 catalog no. 142 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1948)

A short guide to the best varieties of evergreens, trees, shrubs, vines, fruit, perennials, etc., in small sizes as well as large, with special prices for spring 1947 : catalog no. 140 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1947)

A short guide to the best varieties of evergreens, trees, shrubs, vines, fruit, perennials, etc., in small sizes as well as large, together with retail and special quantity prices for spring 1946 : catalog no. 138 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1946)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2001)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1968)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1977)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1979)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1994)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1998)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2000)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2004)

[Siebrecht & Wadley materials] - Siebrecht & Wadley. (1886)

Sixth annual illustrated price list : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.H. Wolters, 1913)

Skånes flora : innefattande de fanerogama och ormbunkartade växterna - Areschoug, F. W. C. (Fredrik Wilhelm Christian), 1830 -1908 (C.W.K. Gleerup, 1866)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1905)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1907)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1915)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1908)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1917)

Skrifter udgivne af Videnskabsselskabet i Christiania I Mathematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1903)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2011)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1916)

Some unusual natural areas in Illinois and a few of their plants - Evers, Robert A. (Robert August), 1912 - (1963)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1909)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2005)

Special 30-day sale of lining-out and other specimen stock : surplus bargains, all nursery grown : November, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1936)

Special 30-day sale of lining-out and other stock ... surplus bargains, all nursery grown : November, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Special bargains, October 1931 : all strong nursery grown except where noted otherwise [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1931)

Special papers - Ohio Academy of Science. (The Academy, 1909)

Special prices for spring, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Boyd Nursery Company, 1931)

Special reports of state geologist, 1860 - Geological Survey of California. (John Wilson & Son, 1880)

Special spring prices for the benefit of early spring buyers : spring delivery if desired, prices void after March 1, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1934)

Special thirty day sale of hardy ornamental plants : April 1 to April 30, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Special wholesale price list : spring 1932, bulletin no. 4 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Forest Nursery Co. Inc, 1932)

Species des hyménoptères d'Europe & d'Algérie - André, Ernest, 1838 -1914 (1879)

Species filicum; being descriptions of the known ferns, particularly of such as exist in the author's herbarium, or are with sufficient accuracy described in works to which he has had access; accompanied with numerous figures - Hooker, William Jackson, Sir, 1785 -1865 (W. Pamplin, 1846)

Species filicum; being descriptions of the known ferns, particularly of such as exist in the author's herbarium, or are with sufficient accuracy described in works to which he has had access; accompanied with numerous figures - Hooker, William Jackson, Sir, 1785 -1865 (W. Pamplin, 1862)