A short guide, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1941)

A short guide : Catalog 120, a sixtieth year, spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1937)

A short guide to Canadian genera of seed plants - Canada. Department of Agriculture. (Dominion of Canada, Dept. of griculture, 1938)

A short guide to Canadian genera of seed plants - Adams, John, 1872 -1950 (Dominion of Canada, Dept. of Agriculture, 1927)

A short guide to the best kinds of evergreens, trees, shrubs, vines, fruits, perennials, roses, etc. ... for the season, spring 1938 : catalog 122, 61st year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1938)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, etc. : with special quantity prices applying for the year of 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1931)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, perennials, etc. : with special quantity prices for the spring of 1939 : catalog No. 12A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1939)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, etc. : with special quantity prices applying for the spring of 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Company, 1929)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, etc., : with special quantity prices applying for the spring of 1928 - Kelsey, Frederick Wallace, 1850 -1935 (Kelsey Nursery Service, 1928)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, etc. : with special quantity prices applying for the spring of 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1930)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, etc. : with special quantity prices applying for the year of 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1933)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, etc. : with special quantity prices for the year of 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1934)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, etc. : with special quantity prices applying for the spring of 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1932)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, etc. : with special quantity prices for the year of 1936 : catalog No. 118 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1936)

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, perennials, fruits, with special prices for spring 1950. catalog no. 146 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1950)

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)

A short guide to the best varieties of evergreens, trees, shrubs, vines, etc. and forestry stock : special quantity prices : spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Company, 1927)

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, fruits, with special prices for spring 1949. catalog no. 144 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1949)

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 and etc. and forestry stock : special quantity prices : spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Company, 1926)

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 : spring 1952. catalog no. 150 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1952)

Short guide to the best varieties of hardy plants : spring 1959. Catalog no. 163 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1959)

A short guide to the best varieties of trees, shrubs, evergreens, perennials, etc., in small sizes as well as large, together with retail and special quantity prices for the spring of 1942 : catalog 130 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1942)

A short guide to the best varieties of trees, shrubs, evergreens, fruits, perennials, roses, etc. with special prices for spring 1951. catalog no. 148 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1951)

Shrubs, trees, evergreens, hedge plants and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brimfield Gardens Nursery, 1959)

Shrubs, trees, evergreens, hedge plants and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brimfield Gardens Nursery, 1955)

Shrubs, trees, evergreens, hedge plants and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brimfield Gardens Nursery, 1956)

Shrubs, trees, evergreens, hedge plants and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brimfield Gardens Nursery, 1958)

Shrubs, trees, evergreens, hedge plants and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brimfield Gardens Nursery, 1952)

Shrubs, trees, evergreens, hedge plants and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brimfield Gardens Nursery, 1954)

Shrubs, trees, evergreens, hedge plants and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brimfield Gardens Nursery, 1957)

Shrubs, trees, evergreens, hedge plants and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brimfield Gardens Nursery, 1953)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1972)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1975)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1992)

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

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2002)

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

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2006)

Siebenthaler's : catalog no. 170, fall 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebenthaler Company, 1955)

Siebenthaler's : catalog no. 172, fall 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebenthaler Company, 1956)

Siebenthaler's : catalog no. 174, fall 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebenthaler Company, 1957)

The silva of North America :a description of the trees which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin and company, 1898)

The silva of North America :a description of the trees which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin and company, 1902)

The silva of North America a description of the tree which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1898)

The silva of North America a description of the tree which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1902)

Silvical characteristics of Canadian trees - Toronto (Ont.) Faculty of Forestry (University of Toronto, Foresters' Club, 1915)

Silvical characteristics of Canadian trees (The Club, 1915)

Silvical characteristics of Engelmann spruce - Alexander, Robert R. (USDA, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1984)

Silvical characteristics of subalpine fir - Alexander, Robert R. (1984)

Silviculture of southwestern mixed conifers and aspen : the status of our knowledge - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1974)

A site classification for the mixed-conifer selection forests of the Sierra Nevada - California Forest; Range Experiment Station. (California Forest and Range Experiment Station, 1942)

Sitka spruce : a bibliography with abstracts - Ruth, Robert H. (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1905)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1907)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1907)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1901)

Sitzungsberichte und Abhandlungen - "Flora", Sächsische Gesellschaft für Botanik und Gartenbau, Dresden - "Flora", Sächsische Gesellschaft für Botanik und Gartenbau, Dresden. ("Flora", 1896)

Sixtieth annual catalog : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Woodward Manning, 1914)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1921)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1906)

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

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1914)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1919)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1920)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1904)

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

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1909)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1910)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1911)