Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1900)

Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1901)

Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1902)

Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1882)

Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1905)

Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1914)

Sketch of the botany of Dr. A. Wislizenus's expedition :Missouri to Santa Fe, Chihuahua, Parras, Saltillo, Monterey and Matamoros - Engelmann, George, 1809 -1884 (Tippin & Streeper, 1848)

Sketch of the North-West of America (Printed by J. Lovell, 1870)

Sketch of the North-West of America (s.n.], 1870)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1977)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1984)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1986)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1991)

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

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2012)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2014)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2015)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2016)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2019)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2023)

Smithsonian herpetological information service - Smithsonian Institution (Division of Reptiles and Amphibians, U.S. National Museum, 1983)

Smithsonian herpetological information service - Smithsonian Institution (Division of Reptiles and Amphibians, U.S. National Museum, 1997)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1858)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1883)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1907)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1908)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1913)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1914)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1915)

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1923)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1927)

Smithsonian scientific series - Smithsonian Institution (Smithsonian Institution Series, Inc, 1931)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1974)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1989)

Some American medical botanists commemorated in our botanical nomenclature - Kelly, Howard A. (Howard Atwood), 1858 -1943 (Southworth, 1914)

Some American medical botanists commemorated in our botanical nomenclature - Kelly, Howard A. (Howard Atwood), 1858 -1943 (The Southworth company, 1914)

Some American medical botanists commemorated in our botanical nomenclature. Delivered as a lecture before the Medical Historical Society of Chicago, 1910, and before the University of Nebraska, October 16, 1913 - Kelly, Howard A. (Howard Atwood), 1858 -1943 (Southworth, 1914)

Some new and important plant disease occurrences and developments in the United States in 1955 - United States. Plant Disease Epidemics; Identification Section. (Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1956)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 1994)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 1996)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 1997)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 1999)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2001)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2002)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2004)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2008)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2010)