Heredity - Thomson, J. Arthur (John Arthur), 1861 -1933 (J. Murray, 1920)

Hesdörffers Monatshefte für Blumen und Gartenfreunde - Hesdörffer, Max, 1863 -1920 (R. Oppenheim (G. Schmidt), 1896)

High grade vegetable and flower seeds, bulbs and small fruits for spring planting - McAllister, F.E. (Firm) (F.E. McAllister, 1895)

High grade vegetable and flower seeds, bulbs and small fruits for spring planting - McAllister, F.E. (Firm) (F.E. McAllister, 1896)

High grade vegetable and flower seeds, bulbs and small fruits for spring planting - McAllister, F.E. (Firm) (F.E. McAllister, 1897)

High quality bulbs for autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1921)

Hill & Co., Richmond, Indiana - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hill & Co, 1889)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1840)

History of British ferns, and allied plants - Newman, Edward, 1801 -1876 (J. Van Voorst, 1844)

A history of British ferns, and allied plants - Newman, Edward, 1801 -1876 (John van Voorst, 1864)

Holco quality seed book : 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes-Letherman Seed Company, 1919)

Holco quality seed book for 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes-Letherman Seed Company, 1918)

Holco seed book for 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes-Letherman Seed Co, 1917)

Holco seeds : seeds, bulbs, plants 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes-Letherman Seed Co, 1916)

Home adornment, 1887 : a select catalogue of what is needed for the garden and lawn, containing valuable information relating to seeds, bulbs, and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (V.H. Hallock, Son & Thorpe, 1887)

L'Horticulteur français de mil huit cent cinquante et un : journal des amateurs et des intérêts horticoles - Hérincq, F. (François), 1820 -1891 (Bureau du journal, 1865)

L'Horticulteur français de mil huit cent cinquante et un : journal des amateurs et des intérêts horticoles - Hérincq, F. (François), 1820 -1891 (Bureau du journal, 1868)

The horticultural exhibitors' handbook. A treatise on cultivating, exhibiting, and judging plants, flowers, fruits, and vegetables - Dunn, Malcolm. (W. Blackwood, 1892)

Horticultural guide : autumn 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1890)

Horticultural register, and gardener's magazine - Breck, Joseph, 1794 -1873 (G. D. Barrett [etc.], 1836)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1836)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1904)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1906)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1907)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1908)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1909)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1910)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1914)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1915)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1916)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1917)

L'horticulture dans les cinq parties du monde - Société nationale d'horticulture de France. (Société Nationale d'Horticulture, 1895)

L'horticulture dans les cinq parties du monde - Baltet, Charles, 1830 -1908 (Société nationale d'horticulture, 1895)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1847)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1848)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1849)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1851)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1853)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1854)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1855)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1856)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1860)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1863)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1870)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1875)

Hortus Dyckensis; oder, Verzeichniss der in dem botanischen Garten zu Dyck wachsenden Pflanzen - Salm-Reifferscheidt, Joseph, Graf zu, 1773 -1861 (Arnz, 1834)

Hosea Waterer Golden Anniversary, 1892-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1942)

Host index to non-fungous diseases of plants in China - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1952)

House plants - Lusche, Hermann (Field Museum of Natural History, 1937)

Hovey & Co.'s catalogue of reliable, tested seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1889)

Hovey & Co.'s illustrated guide to the flower and vegetable garden, and catalogue of seeds - Hovey & Co. (Hovey & Co, 1875)

Hovey & Co.'s illustrated guide to the flower and vegetable garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1872)

Hovey & Co's illustrated seed catalogue for 1883 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1883)

Hovey & Co's illustrated seed catalogue for 1884 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1884)

Hoveys' illustrated guide and seed catalogue for 1877 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1877)

Hoveys' illustrated guide and seed catalogue for 1879 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1879)

Hoveys' illustrated guide and seed catalogue for 1880 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1880)

Hoveys' illustrated guide and seed catalogue : novelties in flower seeds 1885 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1885)

hua bei jing ji zhi wu zhi yao - Cui, Youwen. (zhong guo ke xue yuan chu ban)

La huerta y el jardín : nociones de botánica aplicada a la horticultura y a la jardinería - Díaz de León, Jesús, 1851 -1919 (Viuda de ch. bouret, 1899)

Hunt's perfection bulbs, 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1925)

Hunt's perfection bulbs, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1926)

Hunt's perfection bulbs : 1928 advance offer [of] novelty bulbs, early flowering bulbs, strawberry plants, seasonable seeds, garden sundries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1928)

Hunt's perfection bulbs, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1932)

Hunt's perfection bulbs, 1933 : strawberry plants, flower and vegetable seeds, grass seeds, garden sundries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1933)

Hunt's perfection bulbs, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co., Inc, 1934)

Hunt's perfection bulbs, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co., Inc, 1935)

Hunt's perfection bulbs for your garden : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1923)

Hunt's perfection bulbs for your garden : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1924)

Hunt's perfection seeds : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1925)

Hunt's perfection seeds : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1928)

Hunt's perfection seeds, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1929)

Hunt's perfection seeds, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1930)

Hunt's perfection seeds, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1931)

Hunt's perfection seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1932)

Hunt's perfection seeds, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1933)

Hunt's perfection seeds, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1934)

Hunt's perfection seeds, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co., Inc, 1935)

Hunt's perfection seeds, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co., Inc, 1936)

Hunt's perfection seeds, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co., Inc, 1937)

Hunt's perfection seeds, bulbs and garden supplies. Spring 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co, 1919)

Hunt's perfection seeds : bulbs, plants and garden requisites 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1923)

Hunt's perfection seeds, bulbs, plants and garden requisites : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1924)

Hunt's perfection seeds for better gardens : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1926)

Hunt's perfection seeds for better gardens : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1927)

H.W. Buckbee seed and plant guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buckbee, 1896)

H.W. Buckbee seed and plant guide 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buckbee, 1897)

H.W. Buckbee seed and plant guide 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buckbee, 1910)

[H.W. Buckbee seed and plant guide 1911] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buckbee, 1911)

Eighth edition of R. Buist's catalogue of green-house plants, ornamental trees, shrubs, roses, herbacious plants, &c - Robert Buist Company (Robert Buist Company, 1844)

Illustrated and descriptive catalogue of garden, field and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A. Tilton, 1891)

Illustrated and descriptive seed catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Boardman & Co, 1890)

Illustrated and descriptive seed catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Bowen, 1901)

Illustrated and descriptive seed catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. J. Bowen, 1894)

Illustrated and descriptive seed catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Boardman & Co, 1891)

Illustrated and descriptive seed catalogue and price list for 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Bowen, 1899)

Illustrated and descriptive seed catalogue and price list for 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Bowen, 1900)

Illustrated catalogue : 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C. Ribsam & Son, 1904)

Illustrated catalogue : 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C. Ribsam & Son, 1903)

Illustrated catalogue 1905 : dealer in everything for the farm, lawn and garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Martin C. Ribsam, 1905)

Illustrated catalogue choicest flowers, 1889 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Roscoe Fuller & Co, 1889)

Illustrated catalogue : Cox Seed and Plant Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cox Seed and Plant Co, 1895)

Illustrated catalogue of Rawson's vegetable and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1885)

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 hand book : Rawson's vegetable & flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 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, 1868)

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)

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, 1876)

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, 1878)

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, 1882)

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, 1885)

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, 1888)

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, 1891)

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)

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

Illustriertes Handwörterbuch der Botanik - Linsbauer, Karl, 1872 -1934 (W. Engelmann, 1917)

Illustriertes Jahrbuch der Naturkunde (Karl Prochaska, 1904)

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

Illustriertes Preisverzeichnis mit Culturanleitung aller Arten Samereien ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ernst & von Spreckelsen, 1912)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1861)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1862)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1863)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1865)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1866)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1867)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1868)