Icones zootomicae - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1857)

Iconographia familiarum naturalium regni vegetabilis = Abbildungen der natürlichen Familien des Gewächsreiches : delineata atque adiectis familiarum characteribus adnotationibusque variis tum scientiam tum usum spectantibus exornata - Schnizlein, Adalbert, 1814 -1868 (M. Cohen, 1843)

Iconum botanicarum index locupletissimus = Die Abbildungen sichtbar blühender Pflanzen und Farnkräuter : aus der botanischen und Gartenliteratur des XVIII. und XIX. Jahrhunderts in alphabetischer Folge zusammengestellt - Pritzel, G. A. (Georg August), 1815 -1874 (In Libraria F. Nicolai, 1855)

Iconum botanicarum index locupletissimus. Verzeichniss der Abbildungen sichtbar blühender Pflanzen und Farnkräuter aus der botanischen und Gartenliteratur des XVIII. und XIX. Jahrhunderts in alphabetischer Folge zusammengestellt - Pritzel, G. A. (Georg August), 1815 -1874 (Nicolaische Verlagsbuchh, 1866)

Ideen zu einer Geographie der Pflanzen : nebst einem Naturgemälde der Tropenländer : auf Beobachtungen und Messungen gegründet, welche vom 10ten Grade nördlicher bis zum 10ten Grade südlicher Breite, in den Jahren 1799, 1800, 1801, 1802 und 1803 angestellt worden sind - Humboldt, Alexander von, 1769 -1859 (Bey F.G. Cotta, 1807)

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, 1960)

Les îles Canaries. Flore de l'archipel - Proust, Louis, 1878 -1959 (P. Klincksieck, 1908)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1916)

Illustrated 1925 descriptive catalog, our sixtieth anniversary - Roeding, George Christian, 1868 -1928 (California Nursery Company, 1925)

Illustrated and descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orange County Nursery and Land Company, 1910)

Illustrated autumn 1900 catalogue of beautiful flowering bulbs, the choicest roses and "seeds and plants that grow" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.A. Reeser Co, 1900)

Illustrated autumn catalogue of beautiful flowering bulbs, the choicest roses and "seeds and plants that grow" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Innisfallen Greenhouses, 1901)

Illustrated catalog of beautiful flowers for every home ... : fall and winter 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reeser Floral Co, 1909)

Illustrated catalogue and practical planters guide combined : 1918 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1918)

Illustrated catalogue : beautiful flowers for every home, seeds that grow and fine roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.A. Reeser Company, 1903)

Illustrated catalogue : beautiful flowers for every home, seeds that grow and fine roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.A. Reeser Company, 1904)

Illustrated catalogue of beautiful flowers for every home : spring of 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reeser Floral Co, 1907)

Illustrated catalogue of bulbs, roses and plants : for winter and spring blooming and fruits for fall planting : Autumn 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Innisfallen Greenhouses, 1905)

Illustrated catalogue of bulbs, roses and plants : for winter and spring blooming and fruits for fall planting : Autumn 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Innisfallen Greenhouses, 1908)

Illustrated catalogue of plants, bulbs, trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nanz & Neuner, 1897)

Illustrated catalogue of plants, seeds, bulbs and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nanz & Neuner, 1896)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

The illustrated dictionary of gardening, a practical and scientific encyclopedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. U. Gill, 1884)

An illustrated encyclopaedia of gardening - Wright, Walter P. (Walter Page), 1864 -1940 (J. M. Dent & sons, ltd, 1911)

Illustrated price catalogue & practical planters guide combined : 1919 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1919)

Illustrated price catalogue 1920 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1920)

Illustrated price catalogue 1921 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1921)

Illustrated seed and floral catalogue : 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eichling Seed and Nursery Co, 1901)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1866)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1870)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1872)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1874)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1875)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1881)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1884)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1887)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1889)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1894)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1895)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1896)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1875)

Importers growers and dealers in choice seeds, bulbs & plants, 1902 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.R. Pierson Company, 1902)

Importers growers and dealers in choice seeds, bulbs and plants, 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.R. Pierson Co, 1901)

Importers growers and dealers in choice seeds, bulbs and plants, 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.R. Pierson Co, 1900)

I.N. Kramer & Son, seedsmen and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.N. Kramer & Son, 1901)

I.N. Kramer & Son, seedsmen and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.N. Kramer & Son, 1898)

I.N. Kramer & Son, seedsmen and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.N. Kramer & Son, 1903)

I.N. Kramer & Son, seedsmen and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.N. Kramer & Son, 1899)

I.N. Kramer & Son, seedsmen and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.N. Kramer & Son, 1904)

I.N. Kramer & Son, seedsmen and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.N. Kramer & Son, 1900)

I.N. Kramer & Son, seedsmen and florists : [catalog] 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.N. Kramer & Son, 1905)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index bibliographique de l'Hortus Belgicus : Catalogue méthodique des plantes ornementales qui ont été décrites, figurées ou introduites en Belgique de 1830 à 1880 - Morren, Édouard, 1833 -1886 (1887)

Index generum phanerogamorum usque ad finem anni 1887 promulgatorum in Benthami et Hookeri "Genera plantarum" fundatus, cum numero specierum synonymis et area geographica - Bentham, George, 1800 -1884 (Sumptibus auctoris, 1888)

Index Kewensis plantarum phanerogamarum : nomina et synonym omnium generum et specierum a linnaeo usque as annum MDCCLXXXV complectans nomine recepro auctore patria unicuique planta subjectis : sumptibus beati Caroli Roberti Darwin ductu et consilio Josephi D. Hooker. Tomus 1-2 = Index Kewensis : an enumeration of the genera and species of flowering plants from the time of Linnaeus to the year 1885 inclusive together with their authors names, the works in which they were first published, their native countries and thei - Hooker, Joseph Dalton, 1817 -1911 (Clarendon Press, 1893)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXLI usque ad finem anni MDCCCCL nonnulla etiam antea edita complectens. Supplementum undecimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXXI usque ad finem anni MDCCCCXXXV complectens. Supplementum nonum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index of plants. 1912 - Anderson, James Webster. (Printed at the Methodist Publishing House, 1912)

Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1990)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

Indian trees : an account of trees, shrubs, woody climbers, bamboos, and palms indigenous or commonly cultivated in the British Indian Empire - Brandis, Dietrich, Sir, 1824 -1907 (A. Constable & Co., Ltd, 1906)

The individual in the animal kingdom - Huxley, Julian, 1887 -1975 (University press, 1912)

Indoor plants - James Veitch & Sons. (James Veitch & Sons, Ltc, 1911)

Innisfallen guide to new and better plants : 1877-1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. H. Mellen Co, 1936)

Innisfallen presents for 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. H. Mellen Co, 1937)

Innisfallen presents for 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. H. Mellen Co, 1938)

Insekten-Börse (1898)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1904)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1902)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1910)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1911)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1914)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1915)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1916)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1904)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1906)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1910)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1911)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1914)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1915)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1916)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1919)

An introduction to animal morphology and systematic zoology - Macalister, Alexander, 1844 -1919 (Longmans, 1876)

An introduction to animal morphology and systematic zoology : pt. I. Invertebrata - Macalister, Alexander, 1844 -1919 (Longmans, Green, 1876)

Introduction to cytology - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill Book Company, inc, 1934)

An introduction to the embryology of angiosperms - Maheshwari, P. (Panchanan), 1904 -1966 (McGraw-Hill, 1950)

Introduction to zoology; a guide to the study of animals, for the use of secondary schools - Davenport, Charles Benedict, 1866 -1944 (Macmillan company, 1900)

An introduction to zoology, with directions for practical work (invertebrates) - Lulham, Rosalie Blanche Jermaine. (Macmillan, 1913)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1921)

The Invertebrata; a manual for the use of students - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Macmillan, 1932)

The Invertebrata; a manual for the use of students - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Macmillan, 1935)

Invertebrata : Tasmania's Invertebrate newsletter - Queen Victoria Museum; Art Gallery (Launceston, Tas.) (Queen Victoria Museum & Art Gallery, 1998)

The invertebrate fauna of the Firth of Forth - Herdman, W. A. Sir, (William Abbott), 1858 -1924 (Printed by M'Farlane & Erskine, 1881)

Irish gardening (Pub. Office, 1906)

Irish gardening (Pub. Office, 1916)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1822)

An island paradise, and Reminiscences of travel - Howell, H. Spencer (Henry Spencer), 1857 -1912 (Hart & Riddell, 1892)

J. Seulberger's manual of everthing for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Seulberger, 1903)

J. Seulberger : seedsman and florist - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Seulberger, 1905)

Jahrbuch des Königlichen Botanischen Gartens und des Botanischen Museums zu Berlin - Königlicher Botanischer Garten (Berlin, Germany) (Borntraeger, 1884)

[James Carter & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1888)

Japanese Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Japanese Nursery, 1938)

Japanese Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Japanese Nursery, 1936)

Japanese nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Japanese Nursery Co, 1939)

Japanische medusen - Maas, Otto, 1867 -1916 (1911)

Le Jardin (Librairie horticole du Jardin, 1896)

Le Jardin (Librairie horticole du Jardin, 1898)

Le Jardin (Librairie horticole du Jardin, 1887)

Le Jardin (Librairie horticole du Jardin, 1900)

Le Jardin (Librairie horticole du Jardin, 1901)