A spring flora for high schools - Cowles, Henry Chandler, 1869 -1939 (American Book Company, 1915)

Spring flora of Oklahoma, with key - Myers, W. Stanley (William Stanley), 1888 - (Harlow publishing company, 1929)

Spring-flowering bulbs : fall 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1950)

Spring forecasts : bulbs for autumn planting, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1933)

Spring of 1919 farm and garden seeds : a descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Denison Seed Co, 1919)

Die Stadtwaldungen von Zürich - Meister, Ulrich (Druckerei der Neuen Zürcher Zeitung, 1903)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co.; [etc., etc.], 1916)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1919)

Standardized plant names; a catalogue of approved scientific and common names of plants in American commerce - Olmsted, Frederick Law, 1870 -1957 (1923)

Station bulletin - New Hampshire Agricultural Experiment Station. (Agricultural Experiment Station, University of New Hampshire, 1948)

Stockholmstraktens växter : förteckning över fanerogamer och kärlkryptogamer med fyndorter och frekvensuppgifter - Andersson, Gunnar, 1865 -1928 (P. A. Norstedt, 1914)

Stokes seeds 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stokes Seed Farms, 1921)

Stokes' standard seeds : 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter P. Stokes, 1908)

Stokes' standard seeds : 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter P. Stokes, 1911)

The student's flora of the British islands - Hooker, Joseph Dalton, 1817 -1911 (Macmillan, 1884)

The students' flora of New Zealand and the outlying islands - Kirk, Thomas, 1828 -1898 (John Mackay, govt. printer, 1899)

A students' text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein, 1895)

Studies of the clover root-borer, Hylastinus obscurus Marsham - Stickney, Fenner Satterthwaite, 1899 (1918)

Sturdy seeds for garden, lawn and farm. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1918)

su lian de cao dian zhi bei 苏联的草甸植被 - Shennikov, A. P. (Aleksandr Petrovich) 1888 -1962 (ke xue chu ban she she 科学出版社, 1959)

Summary of re-identifications - January through April 1961 : Change No. 4 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

Summary of re-identifications - July through September 1960 : Change No. 2 - United States. Agricultural Research Service. New Crops Research Branch, (New Crops Research Branch, 1960)

A summary of research at the Manitou Experimental Forest in Colorado, 1937-1983 - Gary, Howard L. (1985)

A summary of the prevalence of plant diseases in the Dominion of Canada, 1920-1924 - Canada. Department of Agriculture. (F.A. Acland, Printer to the King's Most Excellent Majesty, 1926)

Summer and autumn 1919 : bulbs, seeds for summer and autumn sowing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arthur T. Boddington Co. Incorporated, 1919)

Sunset Seed & Plant Co. (Sherwood Hall Nursery Co.) : [catalog] - Sunset Seed; Plant Co. (Sunset Seed and Plant Co, 1895)

Sunset Seed and Plant Co. : 1896 - Sunset Seed; Plant Co. (Sunset Seed and Plant Co, 1896)

[Sunset Seed and Plant Co. materials] - Sunset Seed; Plant Co. (1893)

Superior seeds : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Diggs & Beadles, Incorporated, 1913)

Superior seeds : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Diggs & Beadles, Incorporated, 1914)

Superior seeds : farm and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Manns, 1938)

Superior seeds : farm and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Manns, 1937)

Superior seeds, implements, bulbs and plants, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wilson S. Brower Company, Incorporated, 1932)

Superior seeds, implements, bulbs, plants and poultry supplies : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muzzy Brothers, 1928)

Superior seeds : tested and true 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Diggs & Beadles, Incorporated, 1915)

Superior seeds : tested and true 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Diggs & Beadles, Incorporated, 1916)

Supplemental notes on the flora of Cap-a-l'Aigle - Campbell, Robert, 1835 -1921 (s.n, 1892)

A survey and record of Woolwich and West Kent containing descriptions and records, brought up-to-date, of geology, botany, zoology, archaeology and industries of the district, with a brief photographic commentary, in commemoration of the 12th Annual Congress, 1907, of the South Eastern Union of Scientific Societies - Grinling, C. H. (Labour Representation Print. Co, 1909)

Svensk botanik - Swartz, Olof, 1760 -1818 (Tryckt hos C. Delén, 1802)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1907)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1908)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1909)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1910)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1912)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1917)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1918)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1921)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1923)

Svensk fanerogamflora - Lindman, C. A. M. (Carl Axel Magnus), 1856 -1928 (P.A. Norstedt, 1918)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1897)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1898)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1979)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1980)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1989)

Synopsis der deutschen und schweizer Flora, enthaltend die genauer bekannten phanerogamischen Gewächse, so wie die cryptogamischen Gefäss-Pflanzen, welche in Deutschland, der Schweiz, in Preussen und Istrien wild wachsen und derjenigen ... nach dem DeCandollischen System geordnet, mit einer vorangehenden Uebersicht der Gattungen nach den Classen und Ordnungen des Linneischen Systemes - Koch, Wilhelm Daniel Joseph, 1771 -1849 (Gebhardt & Reisland, 1846)

Synopsis der mitteleuropaïschen flora - Graebner, Paul, 1871 -1933 (W. Engelmann, 1896)

Synopsis florae Germanicae et Helveticae : exhibens stirpes phanerogamas rite cognitas, quae in Germania, Helvetia, Borussia et Istria sponte crescunt atque in hominum usum copiosius coluntur : secundum systema Candolleanum digestas, praemissa generum dispositione secundum classes et ordines systematis Linnaeani conscripta - Koch, Wilhelm Daniel Joseph, 1771 -1849 (F. Wilmans, 1837)

Systema characterum plantarum; seu, Dictionarium rerum botanicum, filio conscriptum, et ab ipso figuris illustratum - Pereboom, Cornelius. (1788)

Systema plantarum Europae, exhibens characteres naturales generum, characteres essentiales generum & specierum, synonima antiquorum, phrases specificas recentiorum Halleri, Scopoli, &c. Descriptiones rariorum, nec-non floras tres novas, Lugdunaeam, Delphinalem, Lithuanicam, non omissis plantis exoticis in hortis Europae vulgo obviis - Linné, Carl von, 1707 -1778 (Sumptibus Piestre & Delamolliere, 1785)

Systematic lists illustrative of the Flora, Fauna, Palaeontology, and Archaeology of the North of Ireland - Stewart, Samuel Alexander, 1826 -1910 (Printed for the Club, 1870)

Taschenbuch der Flora von Trier und Luxemburg : mit Beru¨cksichtigung der Nahe- und Glan-Gegenden - Löhr, Matthias Joseph, 1800 -1864 (C. Troschel, 1844)

Technical bulletin - North Carolina Agricultural Experiment Station. (The Station, 1917)

Die Teichwirtschaft - Gasch, Adolf 1839 -1915 (Im Selbstverlage des Verfassers, 1911)

Tennessee Native Plant Society newsletter - Tennessee Native Plant Society. (The Society, 2000)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1884)

Termini botanici iconibus illustrati : oder, Botanische Kunstsprache durch Abbildungen - Hayne, Friedrich Gottlob, 1763 -1832 (Bey W. Öhmigke dem Jüngern, 1807)

Tested seeds : 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnard, 1894)

Tested seeds, implements, poultry supplies : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muzzy Brothers, 1914)

Texseed brand seeds & poultry supplies 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Seed and Floral Co, 1910)

Texseed brand seeds : best for the south 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Seed & Floral Co, 1912)

A text-book of mycology and plant pathology - Harshberger, John W. (John William), 1869 -1929 (P. Blakiston's Son & Co, 1917)

Theo. Koss' seed catalogue : 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theo Koss, 1901)

Theo. Koss' seed catalogue for 1899 : the road to successful gardening - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theo Koss, 1899)

Theodore Payne : his 1917 catalog of seeds, plants & trees - Payne, Theodore. (Theodore Payne, 1917)

Theodore Payne : seeds, plants, trees - Payne, Theodore (Nursery) (The Foundation, 1914)

Theodore Payne : seeds, plants, trees - Payne, Theodore (Nursery) (The Foundation, 1917)

Theodore Payne : seeds, plants, trees - Payne, Theodore (Nursery) (The Foundation, 1918)

Thesaurus literaturae botanicae omnium gentium :inde a rerum botanicarum initiis ad nostra usque tempora, quindecim millia operum recensens - Pritzel, G. A. (Georg August), 1815 -1874 (F. A. Brockhaus, 1851)

Thesaurus literaturae botanicae omnium gentium : inde a rerum botanicarum initiis ad nostra usque tempora, quindecim millia operum recensens - Pritzel, G. A. (Georg August), 1815 -1874 (F.A. Brockhaus, 1851)

Thesaurus literaturae botanicae omnium gentium,inde a rerum botanicarum initiis ad nostra usque tempora, quindecim millia operum recensens - Pritzel, G. A. (Georg August), 1815 -1874 (F. A. Brockhaus, 1872)

Third spring catalogue : 1913 seeds, horticultural, poultry and dairy supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Meyer-Stisser Company, 1913)

Thomas J. Grey's 1943 garden annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas J. Grey Co, 1943)

Thorburn's century : J.M. Thorburn & Co. one hundredth annual catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1901)

Thorburn's high class seeds : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1913)

Thorburn's seeds. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1918)

Thorburn's seeds. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1919)

Thorburn's seeds 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1915)

Thorburn's seeds 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1917)

Thorburn's seeds : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1924)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1962)

Tobacco diseases and decays - Wolf, Frederick A. (Frederick Adolph), 1885 - (Duke University Press, 1935)

Top notch seeds : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Russell-Heckle Seed Co, 1925)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1908)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1909)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1912)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1913)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1914)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1917)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1918)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1920)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1932)

Torreya, a monthly journal of botanical notes and news (1911)

Trace elements in plants and animals, by Walter Stiles - Stiles, Walter, 1886 - (The University Press, 1946)

Trade list of seeds, spring bulbs, and horticultural sundries, 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1900)

Trade seed catalogue, 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. C. Schmidt, 1899)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1984)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2003)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2004)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2007)

Transactions and journal of the proceedings of the Dumfriesshire and Galloway Natural History and Antiquarian Society - Dumfriesshire; Galloway Natural History; Antiquarian Society. (1891)

Transactions and proceedings - Botanical Society Of Pennsylvania, Philadelphia. (University of Pennsylvania, 1911)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1919)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1922)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1988)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1926)

Transactions of the American Institute of the City of New-York - American Institute of the City of New York. (s.n.], 1854)

Transactions of the ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1889)

Transactions of the British Mycological Society - British Mycological Society. (Cambridge University Press, 1917)

Transactions of the Canadian Institute - Canadian Institute (1849-1914) (Canadian Institute, 1914)

Transactions of the Edinburgh Field Naturalists' and Microscopical Society - Edinburgh Field Naturalists'; Microscopical Society. (The Club, 1902)

Transactions of the Hull Scientific & Field Naturalists' Club - Hull Scientific; Field Naturalists' Club. (1902)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1921)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1923)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1925)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1927)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1945)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1946)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1949)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1965)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1966)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1967)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1968)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1969)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1970)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1974)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1975)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1976)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1977)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1978)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1979)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1982)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1988)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1989)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1990)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1997)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1999)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2000)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2001)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2008)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2013)