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

Systematic revision of the whip spider family Paracharontidae (Arachnida: Amblypygi) with description of a new troglobitic genus and species from Colombia - Prendini, Lorenzo (American Museum of Natural History, 2023)

Systematics and ecology of ground spiders (Araneae, Gnaphosidae) from central Amazonian inundation forests - Platnick, Norman I. (American Museum of Natural History, 1990)

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

Systematics of the "giant" Ricinulei (Ricinoididae: Ricinoides) of West Africa : with descriptions of five new species and comparative morphology of the male copulatory apparatus - 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 phylogenie - Haeckel, Ernst, 1834 -1919 (Georg Reimer, 1896)

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

Tarsal organ morphology and the phylogeny of goblin spiders (Araneae, Oonopidae), with notes on basal genera - Sierwald, Petra (American Museum of Natural History, 2012)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1987)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1988)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 2006)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 2014)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 2015)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 2018)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 2021)

Taxonomic notes on the armored spiders of the families Tetrablemmidae and Pacullidae - Shear, William A. (American Museum of Natural History, 1978)

Taxonomic notes on the ground spider genus Gnaphosa (Araneae, Gnaphosidae) - Platnick, Norman I. (American Museum of Natural History, 1998)

Taxonomic review of the goblin spiders of the genus Dysderoides Fage and their Himalayan relatives of the genera Trilacuna Tong and Li and Himalayana, new genus (Araneae, Oonopidae) - Ramírez, Martín J. (American Museum of Natural History, 2014)

A taxonomic review of the trapdoor spider genus Myrmekiaphila (Araneae, Mygalomorphae, Cyrtaucheniidae) - Platnick, Norman I. (American Museum of Natural History, 2007)

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

A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilini (Hymenoptera: Pompilidae) - Evans, Howard E. (Howard Ensign), 1922 -2002 (1900)

Taxonomy and phylogenetics of Nanometinae and other Australasian orb-weaving spiders (Araneae, Tetragnathidae) - Alvarez-Padilla, Fernando (American Museum of Natural History, 2020)

Taxonomy, ethology, and ecology of Phidippus (Araneae: Salticidae) in eastern North America - Edwards, G. B. (Glavis Bernard), 1948 - (1980)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 2003)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1895)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1898)

Terrestrial isopods from Spanish amber (Crustacea: Oniscidea) : insights into the Cretaceous soil biota - Engel, Michael S. (American Museum of Natural History, 2021)

Tetractys naturae : seu, Systema quadrimembre omnium naturalium - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis K. Wienhöberianis, 1843)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1958)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1968)

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, 1997)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2001)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2002)

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, 2009)

Text-book of embryology - Heape, Walter, 1855 -1929 (Macmillan, 1914)

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. Sonnenschein and co., ltd, 1895)

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