[Harlan P. Kelsey (Firm) materials] - Harlan P. Kelsey (Firm) (1885)

Harriman Alaska series. vol. I-V, VIII-XIV - Smithsonian Institution (Smithsonian Institution, 1904)

Harvard botanical memoirs - Harvard University. (Harvard University], 1890)

Hauptpreisverzeichnis, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1928)

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

Hedwigia (Verlag und Druck von C. Heinrich, 1858)

Hedwigia (Verlag und Druck von C. Heinrich, 1865)

Hedwigia (Verlag und Druck von C. Heinrich, 1866)

Hedwigia (Verlag und Druck von C. Heinrich, 1873)

Hedwigia (Verlag und Druck von C. Heinrich, 1875)

Hedwigia (Verlag und Druck von C. Heinrich, 1877)

Hedwigia (Verlag und Druck von C. Heinrich, 1880)

Hedwigia (Verlag und Druck von C. Heinrich, 1889)

Hedwigia (Verlag und Druck von C. Heinrich, 1890)

Hedwigia (Verlag und Druck von C. Heinrich, 1887)

Hedwigia (Verlag und Druck von C. Heinrich, 1894)

Hedwigia (Verlag und Druck von C. Heinrich, 1899)

Hedwigia (Verlag und Druck von C. Heinrich, 1900)

Hedwigia (Verlag und Druck von C. Heinrich, 1903)

Hedwigia (Verlag und Druck von C. Heinrich, 1904)

Hedwigia (Verlag und Druck von C. Heinrich, 1905)

Hedwigia (Verlag und Druck von C. Heinrich, 1907)

Hedwigia (Verlag und Druck von C. Heinrich, 1908)

Hedwigia (Verlag und Druck von C. Heinrich, 1910)

Hedwigia (Verlag und Druck von C. Heinrich, 1912)

Hedwigia (Verlag und Druck von C. Heinrich, 1913)

Hedwigia (Verlag und Druck von C. Heinrich, 1915)

Hedwigia (Verlag und Druck von C. Heinrich, 1918)

Hedwigia (Verlag und Druck von C. Heinrich, 1921)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1894)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1891)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1906)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1926)

Herb magic and hardy plants for the home garden, 1943 : herb plants and seeds, native ferns and wild flowers, perennials, rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tooles of Garry-Nee-Dule, 1943)

Herb magic and hardy plants for the home garden, 1944 : herb plants and seeds, herb products, native ferns and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tooles of Garry-Nee-Dule, 1944)

Herb magic and Wisconsin ferns, wild flowers : herb plants and seeds, herb products, native ferns and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tooles, 1945)

Herbarium Musei Fennici : enumeratio plantarum Musei Fennici - Helsingin yliopisto. Kasvimuseo. (Ex officina typographica H.J. Simelii, 1889)

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)

Der Hercynische Florenbezirk : Grundzüge der Pflanzenverbreitung im mitteldeutschen Berg- und Hügellande vom Harz bis zur Rhön, bis zur Lausitz und dem Böhmer Walde - Drude, Oscar, 1852 -1933 (W. Engelmann, 1902)

Here is our list of wildflowers, ferns, etc. for the 1947-48 season - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1947)

Hildemere Gardens, 1947-1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1947)

Hildemere Gardens, 1949-1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1949)

Hildemere Gardens : perennials for border and rock garden, seedling annuals : cut flowers, garden designing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1955)

Hildemere Gardens : perennials for border and rock garden, seedling annuals : cut flowers, garden designing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1951)

Hildemere Gardens : perennials for border and rock garden, seedling annuals : cut flowers, garden designing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1953)

Hildemere Gardens, Wawa, Penna., 1945-1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1945)

Hints on the cultivation of British and exotic ferns and lycopodiums : with descriptions of one hundred and fifty species and varieties - Williams, Benjamin Samuel, 1822 -1890 (Chapman and Hall, 1852)

Histoire naturelle des Iles Canaries - Webb, Philip Barker, 1793 -1854 (Béthune, éditeur, 1850)

Histoire naturelle des Iles Canaries - Webb, Philip Barker, 1793 -1854 (Béthune, éditeur, 1836)

Historia filicum an exposition of the nature, number and organography of ferns, and review of the principles upon which genera are founded, and the systems of classification of the principal authors, with a new general arrangement; characters of the genera; remarks on their relationship to one another; their species; reference to authors; geographical distribution; etc., etc - Smith, John, 1798 -1888 (Macmillan, 1875)

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)

A history of British ferns - Newman, Edward, 1801 -1876 (J. van Voorst, 1854)

A history of British ferns - Newman, Edward, 1801 -1876 (J. Van Voorst, 1840)

A history of British ferns - Newman, Edward, 1801 -1876 (J. van Voorst, 1874)

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)

The history of Harting - Gordon, Henry Doddridge. (Printed for the authors by W. Davy, 1877)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1834)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1856)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1863)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1869)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1876)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1879)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1885)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1887)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1890)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1894)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1899)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1906)

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

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1916)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1919)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1926)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1933)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1935)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1965)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1968)

History of the Berwickshire Naturalists' Club, instituted September 22, 1831 [Vol. 1 of proceedings, corr. and reprinted] - Berwickshire Naturalists' Club. (H.H. Blair, 1885)

The history of the several towns, manors, and patents of the county of Westchester, from its first settlement to the present time - Bolton, Robert, 1814 -1877 (C.F. Roper, 1881)

The history of the several towns, manors, and patents of the county of Westchester, from its first settlement to the present time - Bolton, Robert, 1814 -1877 (C. F. Roper, 1881)

Hoffmann-Dennert botanischer Bilderatlas, nach dem naturlichen Pflanzensystem - Dennert, Eberhard, 1861 -1942 (Schweizerbart, 1911)

Holiday excursions of a naturalist, forming a guide-book to the natural history of the inland and littoral - Garner, Robert, 1808 -1890 (Hardwicke, 1867)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1850)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1855)

Horsford's autumn supplement for 1905 : hardy plants from a hardy climate - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fred'k H. Horsford, 1905)

Horsford's descriptive catalogue of hardy ornamentals herbaceous plants bulbs ferns shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1894)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1915)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1917)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1908)

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

Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1980)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1864)

How plants grow a simple introduction to structural botany with a popular flora, or an arrangement and description of common plants, both wild and cultivated - Gray, Asa, 1810 -1888 (A. & W. MacKinlay, 1889)

How to know the ferns : a guide to the names, haunts, and habits of our common ferns - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1911)