Herbertia - American Plant Life Society. ([American Plant Life Society], 1991)

Herborisations à Salève - Fauconnet, Charles, 1811 -1876 (Impr. Carey frères, 1867)

Herborisations dans le Jura central: Val de Travers, Creux-du-Van, Tourbières des Ponts et de la Brévine - Gillot, X. (Xavier), 1842 -1910 (Association typographique, 1891)

Hereditas - Mendelian Society of Lund. (Published by the Mendelian Society of Lund for the Scandinavian Association of Geneticists, 1920)

High class seeds and implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muzzy Brothers, 1903)

High class seeds and implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muzzy Brothers, 1901)

High grade seeds, plants and bulbs : catalogue for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Huth Seed Company, 1921)

High grade seeds, plants and bulbs : catalogue for 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Huth Seed Company, 1922)

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)

Hints for American husbandmen, with communications to the Pennsylvania Agricultural Society - Pennsylvania Agricultural Society. (Printed by Clark & Raser, 1827)

Hints for American husbandmen with communications to the Pennsylvania Agricultural Society - Pennsylvania Agricultural Society. (s.n, 1827)

Hints on landscape gardening - Parsons, Samuel, 1844 -1923 (Houghton Mifflin Company, 1917)

Hints on landscape gardening - Parsons, Samuel, 1844 -1923 (Houghton Mifflin company, 1917)

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

Histoire des plantes - Baillon, H. (Henri), 1827 -1895 (Librairie Hachette, 1894)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1846)

Historia fisica y politica de Chile segun documentos adquiridos en esta republica durante doce años de residencia en ella y publicada bajo los auspicios del supremo gobierno - Gay, Claudio, 1800 -1873 (En casa del autor, 1844)

Historia fisica y politica de Chile segun documentos adquiridos en esta republica durante doce anos de residencia en ella y publicada bajo los auspicios del supremo gobierno - Gay, Claudio, 1800 -1873 (En casa del autor, 1853)

The history of Glanville's Wootton, in the County of dorset, including its zoology and botany - Dale, Charles William, 1851 -1906 (Hatchards, 1878)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1909)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1993)

Hobbs-Parsons Co. seed store - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hobbs-Parsons Co, 1926)

Holmes' 1910 handbook of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1910)

Holmes' 1911 handbook of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1911)

Holmes' 1913 handbook of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1913)

Holmes' 1914 handbook of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1914)

Holmes' 1916 handbook of seeds, implements, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1916)

Holmes' 1917 handbook of seeds & shrubbery direct to the farmer - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1917)

Holmes' handbook of seeds - Holmes Seed Company (Harrisburg, Pa.) (The Company, 1912)

Holmes' handbook of seeds : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1912)

Holmes' handbook of seeds and everything for the garden. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1918)

Holmes' handbook of seeds and everything for the garden. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1919)

Holmes' handbook of seeds and everything for the garden : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1921)

Holmes' tested seeds : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Co, 1920)

Holmes' tested seeds : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Co, 1922)

Holmes' wholesale handbook of seeds for market gardeners : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Co, 1915)

Horse breeding : in theory and practice - Oettingen, Burchard von, 1850 -1923 (Sampson Low, Marston & Co, 1909)

The horse : its origin and development combined with stable practice - Meysey-Thompson, Richard Frederick, 1847 -1926 (E. Arnold, 1911)

The horse, its origin and development combined with stable practice - Meysey-Thompson, Richard Frederick, 1847 -1926 (E. Arnold, 1911)

The horse : its treatment in health and disease with a complete guide to breeding, training and management - Axe, J. Wortley. (Gresham Pub. Co, 1906)

The Horse : its treatment in health and disease, with a complete guide to breeding, training and management - Axe, J. Wortley. (Gresham, 1905)

The horse, its treatment in health and disease with a complete guide to breeding, training and management - Axe, J. Wortley. (Gresham Pub. Co, 1906)

Horses & stables - Fitzwygram, Frederick, Sir, 1823 -1904 (Longmans, 1911)

Horses and stables - Fitzwygram, Frederick, Sir, 1823 -1904 (Longmans, 1901)

Horses and stables - Fitzwygram, Frederick, Sir, 1823 -1904 (Longmans, Green, 1886)

Horticultural guide : spring 1893 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1894)

Horticultural guide : spring 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1898)

Horticultural guide : spring 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1899)

Horticultural guide : spring 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1900)

Horticultural guide : spring 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1901)

Horticultural guide : spring 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1909)

Horticultural supplies, seeds - Dunne & Co. (Dunne & Co, 1899)

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

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

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

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1911)

Hortus cantabrigiensis : or, An accented catalogue of indigenous and exotic plants cultivated in the Cambridge Botanic Garden - Cambridge Botanic Garden. (Longman, 1845)

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

Hortus gramineus Woburnensis : or, an account of the results of experiments on the produce, and nutritive qualities of different grasses, and other plants, used as the food of the more valuable domestic animals : instituted by John Duke of Bedford - Sinclair, George, 1786 -1834 (Printed by B. McMillan, 1816)

Hortus gramineus woburnensis; or, An account of the results of experiments on the produce and nutritive qualities of different grasses and other plants used as the food of the more valuable domestic animals: instituted by John, duke of Bedford. Illustrated with numerous figures of the plants and seeds upon which these experiments have been made ... - Sinclair, George, 1786 -1834 (J. Ridgway, 1826)

Hortus Gramineus Woburnensis; or, An account of the results of experiments on the produce and nutritive qualities of different grasses and other plants used as the food of the more valuable domestic animals; instituted by John, Duke of Bedford ... - Sinclair, George, 1786 -1834 (J. Ridgway, 1824)

Hortus Gramineus Woburnensis; or, An account of the results of experiments on the produce and nutritive qualities of different grasses, &c. &c., used as the food of the more valuable domestic animals; instituted by John, Duke of Bedford - Sinclair, George, 1786 -1834 (W. Ridgway, 1869)

Hortus Gramineus Woburnensis, or, An account of the results of experiments on the produce and nutritive qualities of different grasses, &c. &c. used as the food of the more valuable domestic animals, instituted by John Duke of Bedford, illustrated with forty-five coloured plates - Sinclair, George, 1786 -1834 (Ridgways)

Hortus kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew - Aiton, William, 1731 -1793 (Longman, Hurst, Rees, Orme, and Brown, 1810)

Hortus Regius Botanicus Berolinensis descriptus, ab Henrico Friderico Link - Link, Heinrich Friedrich, 1767 -1851 (Apud G. Reimer, 1833)

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

Hosea Waterer's catalogue of high grade bulbs : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1921)

Hosea Waterer's catalogue of high grade bulbs : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1922)

Hosea Waterer's seed catalogue. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1919)

Hosea Waterer's seed catalogue : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1920)

Hosea Waterer's seed catalogue : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1921)

Hosea Waterer's seed catalogue : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1923)

Hosea Waterer's seed catalogue : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1924)

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

Hovey & Co's illustrated seed catalogue for 1882 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1882)

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)

Hovey & Co.'s reliable seeds bulbs : plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1890)

Hovey's garden annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1927)

Hovey's garden annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1928)

Hovey's garden annual 1933 : seeds bulbs fertilizers horticultural requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1933)

Hovey's garden annual 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1935)

Hovey's garden annual : seeds bulbs fertilizer horticultural requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1929)

Hovey's garden annual : seeds bulbs fertilizer horticultural requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1930)

Hovey's garden annual : seeds bulbs fertilizer horticultural requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1931)

Hovey's garden annual : seeds bulbs fertilizer horticultural requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1932)

Hovey's reliable seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1937)

Hovey's reliable seeds : garden annual 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1936)

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)

How to know grasses by the leaves - M'Alpine, Archibald N., 1855 -1924 (D. Douglas, 1890)

How to study plants - Wood, Alphonso, 1810 -1881 (American book company, 1895)

How to study plants : or, introduction to botany, being an illustrated flora - Wood, Alphonso, 1810 -1881 (American Book Co, 1882)

How to study plants : or, Introduction to botany, being an illustrated flora - Wood, Alphonso, 1810 -1881 (Barnes, 1882)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1884)

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, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co., Inc, 1938)

Hunt's perfection seeds, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co., Inc, 1939)