Iris prices slashed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1932)

Iris : season of 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Grand View Iris Gardens, 1932)

Iris [special price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin B. Mead, 1927)

Iris : spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank W. Campbell, 1926)

Iris : supplement, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Huron Valley Iris Gardens, 1927)

Iris surplus at Cobble Cottage Gardens [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cobble Cottage Gardens, 1927)

Iris : we grow over 700 varieties : bargains, lists, collections, selections - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sil-Mar Gardens, 1936)

Irisdale Gardens, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irisdale Gardens, 1945)

Irisdale Gardens, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irisdale Gardens, 1946)

Irisdale Gardens, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irisdale Gardens, 1947)

Irises - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1942)

Irises - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1932)

Irises - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1930)

Irises - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1931)

Irises & peonies, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Riverview Gardens, 1935)

Irises : 1926 descriptive list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lee R. Bonnewitz, 1926)

Irises 1926 surplus list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S. S. Berry, 1926)

Irises : 1927 descriptive list of irises - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lee R. Bonnewitz, 1927)

Irises 1927 surplus list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S. S. Berry, 1927)

Irises 1928 [catalog] - J.C. Nicholls (Firm) (J.C. Nicholls, 1928)

Irises, 1928 surplus list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S. S. Berry, 1928)

Irises, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. A. Thole, 1929)

Irises 1929 - J.C. Nicholls (Firm) (J.C. Nicholls, 1929)

Irises, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Salbach, 1929)

Irises : 1929 wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.A. Thole, 1929)

Irises, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Salbach, 1930)

Irises : 1930 wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thole's Gardens, 1930)

Irises, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Salbach, 1931)

Irises, 1931-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cedar Hill Nursery, 1931)

Irises 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cooley's Iris Gardens, 1932)

Irises, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1933)

Irises and gladiolus grown at Sunnyside Gardens ; L. Merton Gage, proprietor - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunnyside Gardens, 1929)

Irises and peonies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John N. Bommersbach, 1934)

Irises and peonies, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.C. Nicholls, 1930)

Irises and peonies, 1931 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.C. Nicholls, 1931)

Irises and peonies, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Riverview Gardens, 1938)

Irises and perennials and rock plants, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.R. Hardy, 1936)

Irises [catalog] - J.C. Nicholls (Firm) (J.C. Nicholls, 1929)

Irises for April delivery 1930 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fair June Iris Gardens, 1930)

Irises for every purpose : season 1930 : selected peonies and perennials [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Rose and Plant Co, 1930)

Irises for nurserymen, florists and dealers : wholesale price list, season 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Indian Spring Farms, Inc, 1930)

Irises for nurserymen, florists and dealers : wholesale price list, season 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Indian Spring Farms, Inc, 1933)

Irises for nurserymen, florists and dealers : wholesale price list, season 1932 : 20% off - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Indian Spring Farms, Inc, 1932)

Irises for nurserymen, florists and dealers : wholesale price list, season 1932 : 50% discount from prices given on this iris list, order early - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Indian Spring Farms, Inc, 1932)

Irises for nurserymen, florists and dealers : wholesale price list, season 1933 : 50% discount from prices given on this iris list ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Indian Spring Farms, Inc, 1933)

Irises for nurserymen, florists and dealers : wholesale price list, season 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Indian Spring Farms, Inc, 1931)

Irises for your garden : 1929 surplus list of S.S. Berry - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.S. Berry, 1929)

Irises for your garden : 1930 surplus list of S.S. Berry - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.S. Berry, 1930)

Irises for your garden : 1931 surplus list of S.S. Berry - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.S. Berry, 1931)

Irises for your garden, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iris Place, 1932)

Irises for your garden, 1932-3 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.S. Berry, 1932)

Irises for your garden, 1933-34 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.S. Berry, 1933)

Irises for your garden, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iris Place, 1934)

Irises, Japanese a specialty : catalogue, summer and fall 1934 spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W.H. Soellner, 1934)

Irises : new rare ones and the best of the old ones, 1931-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1931)

Irises : new rare ones and the best of the old ones, 1932-1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1932)

Irises of personality, peonies, oriental poppies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy V. Ashley, 1928)

Irises of personality, peonies, oriental poppies : 1929 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy V. Ashley, 1929)

Irises of personality, peonies, oriental poppies grown and for sale, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy V. Ashley, 1930)

Irises, Oriental poppies, hemerocallis, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (National Iris Gardens, 1936)

Irises, peonies and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Grinnell Nursery, 1934)

Irises, poppies, hemerocallis, peonies, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tip-Top Gardens, 1944)

Irises, season of 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thole's Gardens, 1930)

Irises : season of 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thole's Gardens, 1931)

Irises : season of 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thole's Gardens, 1932)

Irises that are growing Over-the-Garden-Wall : 1928 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. L.W. Kellogg, 1928)

Irises that are growing Over-the-Garden-Wall : 1929 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. L.W. Kellogg, 1929)

Irises that are growing Over-the-Garden-Wall : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. L.W. Kellogg, 1930)

Irises that are growing Over-the-Garden-Wall : 1931 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. L.W. Kellogg, 1931)

Irises that are growing Over-the-Garden-Wall, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. L.W. Kellogg, 1932)

Irises that are growing Over-the-Garden-Wall : summer 1933, spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. L.W. Kellogg, 1933)

Irises : wholesale list, June 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1930)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1892)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1893)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1894)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1907)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1908)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1918)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1919)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1921)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1923)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1817)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1818)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1824)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1827)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1832)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1833)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1834)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1835)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1836)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1837)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1838)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1839)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1840)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1841)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1842)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1843)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1844)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1845)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1846)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1847)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1848)

IXe Congrès international de zoologie : tenue à Monaco du 25 au 30 Mars 1913 (Oberthür, 1914)

Izvestiia na Tsarskitia prirodonauchni instituti v Sofiia = Mitteilungen aus den Konigl. naturwissenschaftlichen Instituten in Sofia, Bulgarien = Bulletin des Institutions royales d'histoire naturelle á Sofia, Bulgarie - Tsarskitie prirodonauchni instituti (Sofiia, Bulgaria) (Pechatnitsa P. Glushkov, 1928)

Izvestiia na Tsarskitia prirodonauchni instituti v Sofiia = Mitteilungen aus den Konigl. naturwissenschaftlichen Instituten in Sofia, Bulgarien = Bulletin des Institutions royales d'histoire naturelle á Sofia, Bulgarie - Tsarskitie prirodonauchni instituti (Sofiia, Bulgaria) (Pechatnitsa P. Glushkov, 1942)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (1850)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (1851)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (1855)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (1861)

Jahrbuch der St. Gallischen Naturwissenschaftlichen Gesellschaft für das Vereinsjahr ... - St. Gallische Naturwissenschaftliche Gesellschaft (Switzerland) (Zollikofer'sche Buchdr, 1899)

Jahrbuch des Königlichen Botanischen Gartens und des Botanischen Museums zu Berlin - Königlicher Botanischer Garten (Berlin, Germany) (Borntraeger, 1886)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1864)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1878)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1880)