Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1980)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1981)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1982)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1983)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1984)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1985)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1986)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1988)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1990)

Samen-Verzeichnis des Botanischen Gartens der Stadt Köln am Rhein - Flora und Botanischer Garten Köln. ([Flora und Botanischer Garten Köln], 1932)

Samen-Verzeichnis des Botanischen Gartens der Stadt Köln am Rhein - Flora und Botanischer Garten Köln. ([Flora und Botanischer Garten Köln], 1939)

Samuel C. Moon's descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Samuel C. Moon, 1889)

San Fernando Nursery Co. 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (San Fernando Nursery Company, 1929)

Sargentia :a continuation of the contributions from the Arnold Arboretum of Harvard University - Arnold Arboretum. (The Arnold Arboretum of Harvard University, 1949)

Schilderung der deutschen Pflanzenfamilien; vom botanisch-descriptiven und physiologisch-chemischen Standpunkte - Hoffmann, Hermann, 1819 -1891 (Wirth, 1851)

Schilderung der deutschen pflanzenfamilien vom botanisch-descriptiven und physiologischchemischen standpunkte - Hoffmann, Hermann, 1819 -1891 (Georg Friedrich Hener's Verlag, 1846)

Schlesiens Pflanzenwelt. Eine pflanzengeographische Schilderung der Provinz - Pax, Ferdinand, 1858 -1942 (G. Fischer, 1915)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1909)

Schule der systematischen Botanik - Hallier, Ernst, 1831 -1904 (W.G. Korn, 1878)

Science - American Association for the Advancement of Science. ([s.n.], 1891)

Science - American Association for the Advancement of Science. ([s.n.], 1897)

Science - American Association for the Advancement of Science. ([s.n.], 1898)

Science - American Association for the Advancement of Science. ([s.n.], 1905)

Science - American Association for the Advancement of Science. ([s.n.], 1907)

Science - American Association for the Advancement of Science. ([s.n.], 1910)

Science - American Association for the Advancement of Science. ([s.n.], 1915)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1899)

Science in Africa; a review of scientific research relating to tropical and southern Africa - African Research Survey. (Oxford university press, 1938)

Scientific and applied pharmacognosy, intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists - Kraemer, Henry, 1868 -1924 (Wiley, 1920)

Scriptores de plantis hispanicis, lustanicis, brasiliensibus - Römer, J. J. (Johann Jacob), 1763 -1819 (In Officina Raspeana, 1796)

Seed wholesale price : trees, shrubs, flowers, yucca, agave, cacti - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.F. Garrett, 1952)

Seeds and plants imported during the period from December, 1905, to July, 1906 : inventory no. 12, nos. 16797 to 19057 - United States. Bureau of Plant Industry. (Government Printing Office, 1907)

Seeds and plants imported during the period from September, 1900, to December, 1903 : Inventory no. 10; nos. 5501-9896 - United States. Bureau of Plant Industry. (Govt. Print. Off, 1905)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1898)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1907)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1909)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1911)

Seeds and plants of choice Texas native flora : for beautifying the home landscape, parks, rock gardens and commercial florists and nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O. F. Garrett, Horticulturist, 1948)

Seeds and plants of rare flowering species : from the deserts and mountains of Texas, Mexico, and New Mexico - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O. F. Garrett, 1949)

Seeds and plants of rare flowering species : from the deserts and mountains of Texas, Mexico and New Mexico - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.F. Garrett, 1952)

Seeds collected in 1908-1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southern California Acclimatizing Association, 1909)

Select extra-tropical plants : readily eligible for industrial culture or naturalization, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (J. Ferres, 1885)

Select extra-tropical plants, readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (T. Richards, government printer, 1881)

Select extra-tropical plants readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (Off. of the superintendent of government printing, 1880)

Select extra-tropical plants readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (Off. of the Superintendent of Government Printing, 1880)

Select extra-tropical plants readily eligible for industrial culture or naturalization, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (G.S. Davis, 1884)

Select extra-tropical plants readily eligible for industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (C. Troedel and Co, 1891)

Select extra-tropical plants readily eligible for industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (1895)