Synopsis of North American butterflies - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Osgood and Company, 1879)

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, 1835)

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

... Synopsis of the described Lepidoptera of North America. Part I–Diurnal and crepuscular Lepidoptera - Morris, John G. (John Gottlieb), 1803 -1895 (Smithsonian institution, 1862)

Synopsis of the described Lepidoptera of North America. Part I–Diurnal and crepuscular Lepidoptera. Comp. for the Smithsonian institution - Morris, John G. (John Gottlieb), 1803 -1895 (Smithsonian institution, 1862)

Systema glossatorum secundum ordines, genera, species, adiectis, synonymis, locis, observationibus, descriptionibus - Fabricius, Johann Christian, 1745 -1808 (C. Reichard, 1938)

A systematic catalogue of British insects : being an attempt to arrange all the hitherto discovered indigenous insects in accordance with their natural affinities. Containing also the references to every English writer on entomology, and to the principal foreign authors. With all the published British genera to the present time - Stephens, James Francis, 1792 -1853 (Baldwin and Cradock, 1829)

A systematic catalogue of British insects : being an attempt to arrange all the hitherto discovered indigenous insects in accordance with their natural affinities - Stephens, James Francis, 1792 -1853 (Baldwin and Cradock, 1829)

Systematische Bearbeitung der Schmetterlinge von Europa, zugleich als Text, Revision und Supplement zu Jakob Hübner's Sammlung europäischer Schmetterlinge - Hübner, Jacob, 1761 -1826 (In Commission bei G. J. Manz, 1843)

Systematische Beschreibung der europäischen Schmetterlinge; : mit Abbildungen auf Steintafeln - Meigen, Johann Wilhelm, 1764 -1845 (Berlag von J.A. Mayer, 1829)

Systematisches Verzeichniss der Macrolepidopteren von Nord-Amerika - Gerhard, Bernhard. (1878)

Systematisches Verzeichniss der Tagfalter der Aethiopischen Region - Aurivillius, Chr. (Christopher), 1853 -1928 (P.A. Norstedt & Söner, 1899)

Tableaux synoptiques des lépidoptères d'Europe, contenant la description de tous les lépidoptères connus jusqu'à ce jour Tome 1 Diurnes - Guenée, A. (Achille), 1809 -1880 (Méquignon-Marvis Père et Fils, 1835)

Tables générales des publications de la Société entomologique de Russie : ainsi que des articles, des synopsis et des formes nouvelles y contenues 1859-1908 - Russkoe entomologicheskoe obshchestvo (L'Société, 1910)

Taxonomic report of the International Lepidoptera Survey - Gatrelle, Ronald R. (International Lepidoptera Survey, 2001)

Taxonomic report of the International Lepidoptera Survey - Gatrelle, Ronald R. (International Lepidoptera Survey, 2003)

Taxonomic report of the International Lepidoptera Survey - Gatrelle, Ronald R. (International Lepidoptera Survey, 2020)

Taxonomic report of the International Lepidoptera Survey - Gatrelle, Ronald R. (International Lepidoptera Survey, 2021)

Taxonomic report of the International Lepidoptera Survey - Gatrelle, Ronald R. (International Lepidoptera Survey, 2022)

Taxonomic report of the International Lepidoptera Survey - Gatrelle, Ronald R. (International Lepidoptera Survey, 2023)

Technical publication - New York State College of Forestry at Syracuse University. (The College, 1921)

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.], 1897)

Terminologia Entomologica : ein Handbuch sowohl für den angehenden Entomologen als auch für den Fachmann ; nach dem neuesten Standpunkte dieser Wissenschaft - Müller, J. (C. Winiker, 1872)

A text-book of entomology, including the anatomy, physiology, embryology and metamorphoses of insects, for use in agricultural and technical schools and colleges as well as by the working entomologist - Packard, A. S. (Alpheus Spring), 1839 -1905 (The Macmillan company, 1898)

A text-book of entomology including the anatomy, physiology, embryology and metamorphoses of insects - Packard, A. S. (Alpheus Spring), 1839 -1905 (Macmillan, 1909)

Text-book of zoology - Schmeil, O. (Otto), 1860 -1943 (A. and C. Black, 1901)

The Thelephoraceae of North America - Burt, E. A. (Edward Angus), 1859 -1939 (Missouri Botanical Garden, 1914)

Theoretical genetics - Goldschmidt, Richard, 1878 -1958 (University of California Press, 1955)

Thesaurus litteraturae mycologicae et lichenologicae ratione habita praecipue omnium quae adhuc scripta sunt de mycologia applicata - Lindau, Gustav, 1866 -1923 (Fratres Borntraeger, 1913)

Die Thiere Andalusiens nach dem Resultate einer Reise zusammengestellt, nebst den Beschreibungen von 249 neuen oder bis jetzt noch unbeschriebenen Gattungen und Arten - Rosenhauer, Wilhelm Gottlob. (T. Blaesing, 1856)

Das Thierreich eingetheilt nach dem Bau der Thiere als Grundlage ihrer Naturgeschichte und der vergleichenden Anatomie - Cuvier, Georges, baron, 1769 -1832 (J.S. Cotta, 1823)