Gulielmi Hudsoni, Regiae Societatis Socii et Pharmacopaei Londinensis, Flora anglica : exhibens plantas per regnum angliae sponte crescentes, distributas secundum systema sexuale : cum differentiis specierum, synonymis autorum, nominibus incolarum, solo locorum, tempore florendi, officinalibus pharmacopaeorum - Hudson, William, 1730? -1793 (Impensis auctoris, 1762)

Gulielmi Hudsoni, Regiae Societatis Socii et Pharmacopaei Londinensis, Flora anglica : exhibens plantas per regnum Britanniæ sponte crescentes, distributas secundum systema sexuale : cum differentiis specierum, synonymis auctorum, nominibus incolarum, solo locorum, tempore florendi, officinalibus pharmacopæorum - Hudson, William, 1730? -1793 (Printed for R. Faulder [and 9 others], 1798)

The G.W. Huth Seed Co. catalogue for 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G.W. Huth Seed Co, 1913)

The G.W. Huth Seed Co. catalogue for 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G.W. Huth Seed Co, 1914)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1895)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1898)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1914)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1908)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1888)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1891)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1892)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1894)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1896)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1897)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1899)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1904)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1909)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1910)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1911)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1912)

Haandbog i den danske flora - Lange, Johan, 1818 -1898 (C.A. Reitzel, 1851)

Haandbog i den danske flora - Lange, Johan, 1818 -1898 (C.A. Reitzels forlag, 1856)

Haandbog i den danske flora - Lange, Johan, 1818 -1898 (C.A. Reitzels forlag, 1864)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds, cut flowers : spring and fall 1956, 41st year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1956)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1955, 40th year : for the rockery, home grounds, cut flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1955)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1946, 31st year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1946)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1952, 37th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1952)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1944, 29th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1944)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1945, 30th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1945)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1947, 32nd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1947)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1940, 25th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1940)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1950, 35th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1950)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1951, 36th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1951)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1949, 34th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1949)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1948, 33rd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1948)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : fall 1933-spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1933)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : fall 1934-spring 1935, 20th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1934)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1936, 21st year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1936)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1939, 24th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1939)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1938, 23rd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1938)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1937, 22nd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1937)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1942, 27th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1942)

Hallauer's hardy herbaceous and alpine plants, dwarf shrubs and bulbs for the rockery, home grounds or cut flowers : spring and fall 1941, 26th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1941)

Hallauer's hardy herbaceous plants, bulbs, and dahlias : spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1932)

Hallawell's annual catalog 1920 : seeds, plants, trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Hallawell Seed Company], 1920)

Hallawell's annual catalog 1921 : seeds, plants, trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Hallawell Seed Company], 1921)

Hallawell's annual catalog [of] seeds, plants, trees : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Hallawell Seed Company], 1916)

Hallawell's annual catalog [of] seeds, plants, trees : 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Hallawell Seed Company], 1918)

Hallawell's annual catalog. seeds, plants, trees. 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Hallawell Seed Company], 1917)

Hallawell's annual catalog. seeds, plants, trees. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hallawell Seed Company], 1919)

Hallawell's annual catalogue 1915 : seeds, plants, trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Hallawell Seed Company], 1915)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1867)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1877)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1885)

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

Hampel's Gartenbuch für Jedermann : Anleitung zur praktischen Ausübung aller Zweige der Gärtnerei : aus der Praxis für die Praxis : mit 198 in den Text gedruckten Abbildungen - Kunert, Fritz, 1863 -1948 (Verlagsbuchhandlung Paul Parey, 1902)

Hand book and catalogue of pot grown rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1948)

Hand book for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup King & Co, 1943)

Hand-list of herbaceous plants cultivated in the Royal Botanic Gardens (Printed for H. M. Stationery Off. by Darling, 1902)

Handbok i Skandinaviens flora : innefattande sveriges och norges växter, till och med mossorna - Hartman, Carl Johan, 1790 -1849 (Z. Haeggström, 1864)

Handbook and catalog of pot grown rock plants for 1950 and 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1950)

A handbook of British lepidoptera - Meyrick, Edward, 1854 -1938 (Maomillan, 1895)

Handbook of flower pollination : based upon Hermann Müller's work ʻThe fertilisation of flowers by insectsʼ - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1906)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1908)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1909)

Handbook of hardy herbaceous and alpine flowers - Sutherland, William. (Blackwood, 1871)

Handbook of hardy trees, shrubs, and herbaceous plants ... Based on the French work of Messrs. Decaisne and Naudin ...entitled 'Manuel de l'amateur des jardins,' and including the original woodcuts by Riocreux and Leblanc - Decaisne, Joseph, 1807 -1882 (Estes & Lauriat, 1873)

Handbook of hardy trees, shrubs, and herbaceous plants. Based on the French work of Messrs. Decaisne and Naudin entitled 'Manuel de l'amateur des jardins,' and including the original woodcuts by Riocreux and Leblanc - Decaisne, Joseph, 1807 -1882 (Estes & Lauriat, 1873)

Handbook of hardy trees, shrubs, and herbaceous plants : containing descriptions, native countries, etc. of a selection of the best species in cultivation, together with cultural details, comparative hardiness, suitability for different situations, etc. : based on the French work of Messrs. Decaisne and Naudin entitled 'Manuel de l'amateur des jardins, ' and including the original woodcuts by Riocreux and Leblanc - Decaisne, Joseph, 1807 -1882 (Longmans, Green, 1873)

Handbook of plant tolerances to methyl bromide - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (Dept. of Agriculture, Animal and Plant Health Insp. Serv., Plant Protection and Quar. Programs, 1977)

Handbook of plants - Henderson, Peter, 1822 -1890 (P. Henderson, 1881)

Handbook of plants and general horticulture - Henderson, Peter. (1890)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Macmillan & Co, 1895)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Swan, 1904)

Handbook of the British flora : a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (Reeve, 1858)

Handbook of the British flora : a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles : for the use of beginners and amateurs - Hooker, Joseph Dalton, 1817 -1911 (L. Reeves, 1887)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in, the British Isles - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & co, 1892)

Handbook of the British flora, a description of the flowering plants and ferns indigenous to or naturalised in the British Isles. For use of beginners and amateurs - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & co, 1900)