Synopsis filicum; or, A synopsis of all known ferns, including the Osmundaceae, Schizaeaceae, Marattiaceae, and Ophioglossaceae (chiefly derived from the Kew herbarium) Accompanied by figures representing the essential characters of each genus - Baker, John Gilbert, 1834 -1920 (R. Hardwicke, 1874)

Synopsis methodica stirpium Britannicarum : in qua tum notae generum characteristicae traduntur, tum species singulae breviter describuntur: ducentae quinquaginta plus minus novae species partim suis locis inseruntur, partim in appendice seorsim exhibentur : cum indice & virium epitome - Ray, John, 1627 -1705 (Prostant apud Sam. Smith ad insignia principis in coemeterio D. Pauli, 1690)

Synopsis of an arrangement of invertebrate animals in the Free Public Museum of Liverpool - Higgins, H. H. (1874)

Synopsis of an arrangement of invertebrate animals in the Free Public Museum of Liverpool - Higgins, H. H. (Printed by D. Marples & Co, 1880)

Synopsis of the British Basidiomycetes ; a descriptive catalogue of the drawings and specimens in the Department of botany, British museum - British Museum (Natural History). Department of Botany. (Printed by order of the Trustees of the British museum, 1908)

A synopsis of the British Diatomaceæ : with remarks on their structure, functions and distribution; and instructions for collecting and preserving specimens - West, Tuffen (Printed for Smith and Beck, Pub. by J. Van Voorst, 1853)

A synopsis of the British Diatomaceæ : with remarks on their structure, functions and distribution; and instructions for collecting and preserving specimens - West, Tuffen (Printed for Smith and Beck, Pub. by J. Van Voorst, 1856)

Synopsis of the contents of the British Museum - British Museum (printed by Woodfall, 1837)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1838)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1835)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1832)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, Angel Court, Skinner Street, 1836)

Synopsis of the contents of the British Museum - British Museum (printed by G. Woodfall, 1837)

Synopsis of the contents of the British Museum - British Museum (printed by G. Woodfall, 1832)

Synopsis of the contents of the British Museum - British Museum (printed by G. Woodfall, 1838)

Synopsis of the parasites of domesticated mammals of Canada - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1986)

Synopsis of the parasites of domesticated mammals of Canada - Kennedy, Murray James, 1943 - (Alberta Agriculture, Animial Health Division, 1988)

Synopsis of the parasites of vertebrates of Canada : ectoparasites of terrestrial mammals - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1986)

The Syrphid of the Ethiopian region based on material in the collection of the British Museum (Natural history), with descriptions of new genera and species - Bezzi, Mario, 1868 -1927 (Printed by order of the Trustees, 1915)

Systema naturae, per regna tria naturae : secundum classes, ordines, genera, species cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1767)

Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1767)

Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae von Trattner, 1767)

Systema natvræ per regna tria natvræ : secvndum classes, ordines, genera, species, cvm characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (Typis Academicis, 1793)

A systematic and biological study of the Acarina of Illinois - Ewing, H. E. (Henry Ellsworth), 1883 -1951 (1908)

Systematic review of genus Cerradomys Weksler, Percequillo and Voss, 2006 (Rodentia, Cricetidae, Sigmodontinae, Oryzomyini) : with description of two new species from eastern Brazil - Hingst-Zaher, Erika (American Museum of Natural History, 2008)

A systematic review of Sulawesi Bunomys (Muridae, Murinae) with the description of two new species - Musser, Guy G. (American Museum of Natural History, 2014)

Systematic revision of the arboreal Neotropical "thorellii" clade of Centruroides Marx, 1890, bark scorpions (Buthidae C.L. Koch, 1837) with descriptions of six new species - Prendini, Lorenzo (American Museum of Natural History, 2021)

Systematic revision of the Asian forest scorpions (Heterometrinae Simon, 1879), revised suprageneric classification of Scorpionidae Latreille, 1802, and revalidation of Rugodentidae Bastawade et al., 2005 - Prendini, Lorenzo (American Museum of Natural History, 2020)

Systematic revision of the giant vinegaroons of the Mastigoproctus giganteus complex (Thelyphonida, Thelyphonidae) of North America - Prendini, Lorenzo (American Museum of Natural History, 2018)

Systematics and evolution of bats of the genus Glossophaga - Webster, William David (Texas Tech University Press, 1993)

Systematics and taxonomy of great striped-faced bats of the genus Vampyrodes Thomas, 1900 (Chiroptera, Phyllostomidae) - Simmons, Nancy B. (American Museum of Natural History, 2011)

Systematics in Agriculture Canada at Ottawa, 1886-1986 - Canada. Agriculture Canada (Biosystematics Research Centre, Agriculture Canada, 1986)

Systematics of the relictual Asian scorpion family Pseudochactidae Gromov, 1998, with a review of cavernicolous, troglobitic, and troglomorphic scorpions - Prendini, Lorenzo (American Museum of Natural History, 2021)

Systematics of the short-tailed whipscorpion genus Stenochrus Chamberlin, 1922 (Schizomida, Hubbardiidae), with descriptions of six new genera and five new species - Prendini, Lorenzo (American Museum of Natural History, 2019)

Systematische Übersicht der Fossilen Myriopoden, Arachnoideen und Insekten - Scudder, Samuel Hubbard, 1837 -1911 (R. Oldenbourg, 1885)

Tal, om insecternas alstring hållit för Kongl. Svenska Vetenskaps Academien ... - Geer, Carl de, Baron, (Lars Salvius, 1754)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1990)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 2002)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 2007)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Volume V, Sal-Ste - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1976)

Taxonomic revision and morphology of the trapdoor spider genus Actinopus (Mygalomorphae, Actinopodidae) in Argentina - Goloboff, Pablo A. (American Museum of Natural History, 2018)

The taxonomic value of the microscopic structure of the stigmal plates in the tick genus dermacentor - London School of Hygiene; Tropical Medicine. (Government Printing Service, 1910)

Technical series / Bureau of Entomology United States Department of Agriculture - United States. Bureau of Entomology. (Govt. print. off, 1900)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1893)

The terrestrial air-breathing mollusks of the United States, and the adjacent territories of North America - Gould, Augustus A. (Augustus Addison), 1805 -1866 (C. C. Little and J. Brown, 1851)

The terrestrial air-breathing mollusks of the United States, and the adjacent territories of North America - Gould, Augustus A. (Augustus Addison), 1805 -1866 (C. C. Little and J. Brown, 1878)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1986)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1987)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1988)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1990)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1993)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1994)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2004)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2005)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2006)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2007)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2010)

A text-book of agricultural entomology; being a guide to methods of insect life and means of prevention of insect ravage - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall, Hamilton, Kent, 1892)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and sons, 1899)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and Sons, 1899)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and sons, 1913)

Text-book of palaeontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan, 1900)

Text-book of paleontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan and Co., limited, 1913)

Text-book of the embryology of invertebrates - Mark, E. L. (Edward Laurens), 1847 -1946 (S. Sonneschein and co., ltd, 1899)

Text book of veterinary medicine - Law, James, 1838 -1921 (J. Law, 1903)

Text book of veterinary medicine - Law, James, 1838 -1921 (The author, 1896)