Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

Hymenoptera of America north of Mexico : synoptic catalog, first supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1958)

Hymenoptera of America north of Mexico : synoptic catalog, second supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1967)

Icones carpologicae; or figures and descriptions of fruits and seeds - Ralph, Thomas Shearman 1813 -1892 (W. Pamplin, 1849)

Icones plantarum medico-oeconomico-technologicarum cum earum fructus ususque descriptione =Abbildungen aller medizinisch-ökonomisch-technologischen Gewächse mit der Beschreibung ihres Gebrauches und Nutzens - Albrecht, Ignatz. (herausgegeben von Ignatz Albrecht und verlegt bey Phil. Jos. Schalbaecher, 1806)

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)

Iconographic encyclopaedia of science, literature, and art - Baird, Spencer Fullerton, 1823 -1887 (R. Garrigue, 1851)

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)

Identification of crop and weed seeds - Musil, Albina F. (Albina Frances), 1894 - (Agricultural Marketing Service, U.S. Dept. of Agriculture, 1963)

The identification of trees & shrubs; how to recognize, without previous knowledge of botany, wild or garden trees and shrubs native to the north temperate zone - Makins, F. K. (Dutton, 1937)

I.E. Ilgenfritz' Sons Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1925)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1955)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1919)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1920)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1953)

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 1987)

Illustrated and descriptive catalogue of fruit and ornamental trees, evergreens, shrubs, vines, small fruit plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursery Co, 1903)

Illustrated and descriptive catalogue of fruit and ornamental trees : shrubs, roses, grape vines, small fruits, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (First National Nurseries, 1909)

Illustrated and descriptive catalogue of fruit and ornamental trees : roses grape vines shrubs small fruits plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Nursery Co, 1910)

Illustrated and descriptive catalogue of fruit and ornamental trees : roses grape vines shrubs small fruits plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Nursery Co, 1912)

Illustrated and descriptive catalogue of ornamental trees, shrubs, roses, grape vines, small fruits, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (First National Nurseries, 1917)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreen trees : shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1910)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreen trees : shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1913)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreen trees shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1915)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreen trees shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1917)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreen trees, shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1922)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreen trees : shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1923)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreens : trees, shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1918)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreens : trees, shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1920)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreen trees : shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1919)

Illustrated catalog [of] bulbs, seeds, plants, roses, etc., florists' supplies, poultry supplies, also famous Rusconi lawn grass seed for lawns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Rusconi, 1920)

Illustrated catalogue of fruit and ornamental trees, shrubs, vines, roses, etc., etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C. L. Yates, 1893)

Illustrated catalogue of fruit and ornamental trees, shrubs, vines, roses, etc - May Brothers. (May Brothers, 1887)

Illustrated catalogue of th Glenwood Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glenwood Nurseries, 1888)

Illustrated descriptive catalog : fruit trees and small fruits, ornamental trees, shrubs, vines, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz' Sons Company, 1914)

Illustrated descriptive catalogue : fruit trees and small fruits, grape vines, esculent plants, ornamental trees, shrubs, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz' Sons Company, 1914)

Illustrated descriptive catalogue : fruit trees and small fruits, grape vines, esculent plants, ornamental trees, shrubs, vines, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz' Sons Company, 1910)

Illustrated descriptive catalogue, fruit trees and small fruits, grape vines, esculent plants, ornamental trees, shrubs, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1913)

Illustrated descriptive catalogue : fruits and ornamental trees grape vines and small fruits, shrubs, plants, roses, &c - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Ferry & Co, 1895)

Illustrated descriptive catalogue of fruit trees, ornamental trees, shrubs, roses, vines and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G. C. Stone, 1903)

Illustrated descriptive catalogue [of] fruit trees, small fruits, ornamental trees, shrubs, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1917)

Illustrated descriptive catalogue of ornamental trees, shrubs, roses, flowering plants, bulbs, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frost & Co, 1875)

Illustrated descriptive catalogue of ornamental trees, shrubs, and climbing vines offered by the Reading Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1890)

An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species - Blatchley, W. S. (Willis Stanley), 1859 -1940 (Nature Pub. Co, 1910)

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 dictionary of medicine, biology and allied sciences ... by George M. Gould. 5th ed., with additions and corrections - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son, 1907)

An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner, 1913)

An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

An illustrated flora of the northern United States, Canada and the British possesions from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridian. Vol. 3, Apocynaceae to Compositae, dogbane to thistle - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner, 1897)

An illustrated flora of the northern United States, Canada and the British possessions from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's Sons, 1896)

An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

An illustrated flora of the northern United States, Canada and the British possesions from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridian. Vol. 3, Apocynaceae to Compositae, dogbane to thistle - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner, 1898)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1944)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1960)

Illustrated general catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Nursery Co, 1903)

Illustrated natural history of British butterflies and moths - Newman, Edward, 1801 -1876 (Glaisher, 1869)

An illustrated natural history of British butterflies and moths - Newman, Edward, 1801 -1876 (W.H. Allen, 1800)

Illustratio systematis sexualis Linnaeani - Miller, John, 1715 -1790 (Varrentrapp et Wenner, 1789)

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, 1869)

Illustrations of the principal natural orders of the vegetable kingdom - Oliver, Daniel, 1830 -1916 (Chapman and Hall, 193 Piccadilly, 1874)

Illustrierte Flora von Nord- und Mittel-Deutschland, mit einer Einführung in die Botanik - Potonié, H. (Henry), 1857 -1913 (J. Springer, 1889)

Illustriertes Handbuch der Laubholzkunde :Charakteristik der in Mitteleuropa heimischen und im freien angepflanzten angiospermen Geho¨lz-Arten und Formen mit Ausschluss der Bambuseen und Kakteen - Schneider, Camillo, 1876 -1951 (G. Fischer, 1912)

Illustriertes Preisverzeichnis für 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ernst & von Spreckelsen, 1899)

Important western browse plants - Dayton, William A. (William Adams), 1885 - (U.S. Dept. of Agriculture, 1931)

In Codicem botanicum linnaeanum index alphabeticus : generum, specierum ac synonymorum omnium completissimus - Linné, Carl von, 1707 -1778 (O. Wigand, 1840)

Incrementa florae phaenogamae Rossicae - Trautvetter, Ernst Rudolph von, 1809 -1889 ([s.l.], 1882)

Index alphabeticus generum botanicorum quotquot a Willdenovio in Speciebus plantarum et a Persoonio in Synopsi plantarum recensentur - Lichtenstein, A. G. G. (August Gerhard Gottfried), 1780 -1851 (Leuckartiorum patris et filii, 1814)

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 animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1902)

Index : appendix to flora of the Columbia County area, New York - McVaugh, Rogers, 1909 -2009 (University of the State of New York, 1958)

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. names of seed-bearing plants at the rank of family and below published between January 1986 and the end of 1990 with some omissions from earlier years. Supplement nineteen - Royal Botanic Gardens, Kew. (1901)

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 MDCCCCLI usque ad finem anni MDCCCCLV nonnulla etiam antea edita complectens. Supplementum duodecimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

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 MDCCCCXXVI usque ad finem anni MDCCCCXXX complectens. Supplementum octavum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCI usque ad finem anni MDCCCCV complectens. Supplementum tertium - 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)