I. Jonstons Naeukeurige beschryving van de natuur der vier-voetige dieren, vissen en bloedlooze water-dieren, vogelen, kronkel-dieren, slangen en draken - Jonstonus, Joannes, 1603 -1675 (Bij I.I. Schipper, 1660)

Iacobi Braak, Groningani, S.S. Theol. in Academia, quae Groningae est, studiosi, Responsio ad quaestionem ab ordine disciplanarum mathematicarum et physicarum in Academia Groningana, anno [1821] : propositam, "quaeritur catalogus avium, in provincia Groningana indigenarum, addita accurata illarum descriptione, differentia generica et specifica, vivendi ratione et moribus, allatis unius alteriusque scriptoris imaginibus et adiuncta iconum Nozemanniorum critica" : quae praemio ornata est - Braak, Jacob. (s.n, 1821)

Iacobi Theodori Klein secr. div. ged. ... Historiae avivm prodromvs : cvm praefatione de ordine animalivm in genere ; accessit historia mvris alpini et vetvs vocabvlarivm animalivm, msc. : cvm figvris - Klein, Jacob Theodor, 1685 -1759 (Apvd Ionam Schmidt, 1750)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1859)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1860)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1861)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1862)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1863)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1864)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1866)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1867)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1868)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1869)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1871)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1873)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1874)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1875)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1876)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1877)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1878)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1879)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1881)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1882)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1883)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1994)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1885)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1886)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1887)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1888)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1889)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1891)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1892)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1893)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1895)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1897)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1898)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1899)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1900)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1901)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1902)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1904)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1905)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1908)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1909)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1910)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1911)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1912)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1913)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1914)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1916)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1918)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1919)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1920)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1921)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1922)

Icones animalium quadrupedum uiuiparorum et ouiparorum : quae in Historiae animalium Conradi Gesneri libro I. et II. describuntur, cum nomenclaturis singulorum latinis, graecis, italicis, gallicis, et germanicis plerunque, et aliarum quoque linguarum, certis ordinibus digestae - Gessner, Conrad, 1516 -1565 (Excudebat C. Froschouerus, 1560)

Icones avivm omnivm - Gessner, Conrad, 1516 -1565 (Excvudebat C. Froschovervus, 1560)

Iconografia della fauna italica : per le quattro classi degli animali vertebrati - Bonaparte, Charles-Lucien, 1803 -1857 (Tip. Salviucci, 1841)

Iconographie du règne animal de G. Cuvier, ou, Représentation d'après nature de l'une des espèces les plus et souvent non encore figurées de chaque genre d'animaux : avec un texte descriptif mis au courant de la science : ouvrage pouvant servir d'atlas a tous les traites de zoologie - Cuvier, Georges, baron, 1769 -1832 (Chez J.B. Baillière, 1829)

Iheringia Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1990)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1971)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1952)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1972)