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, 1852)

Historia natural : la creación - Brehm, Alfred Edmund, 1829 -1884 (Montaner y Simón, 1880)

History of Bucks county, Pennsylvania, from the discovery of the Delaware to the present time - Davis, W. W. H. (William Watts Hart), 1820 -1910 (The Lewis Pub. Co, 1905)

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

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1903)

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

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1974)

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

Holidays on high lands - Macmillan, Hugh, 1833 -1903 (Macmillan and co, 1873)

The Holocene paleoenvironment of Clements Markham Inlet, northern Ellesmere Island, N.W.T., Canada - Stewart, Thomas G. (University of Alberta, Dept. of Geography, 1981)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1857)

Horti academici Lugduno-Batavi catalogus : exhibens plantarum omnium nomina, quibus ab anno MDCLXXXI ad annum MDCLXXXVI hortus fuit instructus ut & plurimarum in eodem cultarum & à nemine hucusque editarum descriptiones & icones - Hermann, Paul, 1646? -1695 (Apud Cornelium Boutesteyn, 1687)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1831)

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, 1812)

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, 1813)

Hortus suburbanus calcuttensis. A catalogue of the plants which have been cultivated in the Hon. East India company’s botanical garden, Calcutta, and in the Serampore botanical garden ... from the beginning of both establishments (1786 and 1800) to the end of August 1841 ... - Voigt, J. O. (Jahann Otto), 1798 -1843 (Bishop's College Press, 1845)

Hortus suburbanus Calcuttensis; A catalogue of the plants which have been cultivated in the Hon. East India Company's botanical garden, Calcutta, and in the Serampore botanical garden - Voigt, J. O. (Jahann Otto), 1798 -1843 (Bishop's College Press, 1845)

How to know the mosses; a popular guide to the mosses of the northeastern United States; containing keys to eighty genera and short descriptions of over one hundred and fifty species, with special reference to the distinguishing characteristics that are apparent without the aid of a lens - Dunham, Elizabeth Marie, 1872 -1966 (Houghton Mifflin, 1916)

Icones fungorum omnium hucusque cognitorum ad usum sylloges Saccardianae adcommodatae - Berlese, A. N. (Augusto Napoleone), 1864 -1903 (Sumptibus auctoris, Typis Eduardi Pergola, 1894)

Icones plantarum or figures, with brief descriptive characters and remarks, of new or rare plants, selected from the author's herbarium - Hooker, Joseph Dalton, 1817 -1911 (Longman, Rees, Orme, Brown, Green, & Longman, etc, 1837)

The illustrated botany : comprising the most valuable native and exotic plants, with their history, medicinal properties, etc. : to which is added an introduction on physiology, and a view of the natural and Linnæan systems - Comstock, J. L. (John Lee), 1789 -1858 (J.K. Wellman, 1847)

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)

Illustrations and dissections of the genera of British mosses - Unwin, William Charles, 1811 -1887 (Printed at the Sussex Advertiser Office, 1878)

Illustrations and dissections of the genera of British mosses - Unwin, William Charles, 1811 -1887 (G.P. Bacon, Printer, 1877)

Illustrations of the botany and other branches of the natural history of the Himalayan Mountains :and of the flora of Cashmere - Royle, J. Forbes (John Forbes), 1798 -1858 (Wm. H. Allen, 1839)

Index alphabeticus generum botanicorum quotquot a Willdenovio in Speciebus plantarum et a Persoonio in Synopsi plantarum recensentur - Lichtenstein, A. G. G. (August Gerhard Gottfried), 1780 -1851 (Leuckartiorum patris et filii, 1814)

Index bryologicus sive, Enumeratio muscorum hucusque cognitorum adjunctis synonymia distributioneque geographica locupletissimus - Paris, É. G. (Édouard Gabriel) 1827 -1911 (P. Klincksieck, 1894)

Index generum phanerogamorum usque ad finem anni 1887 promulgatorum in Benthami et Hookeri "Genera plantarum" fundatus, cum numero specierum synonymis et area geographica - Bentham, George, 1800 -1884 (Sumptibus auctoris, 1888)

Index herbariorum - International Association for Plant Taxonomy (Published and Distributed for International Association for Plant Taxonomy by New York Botanical Gardens, 1990)

Index in Rabenhorst Bryothecae europaeae. Fasc. 1-24. no. 1-1200 - Rabenhorst, Ludwig, 1806 -1881 (C. Heinrich, 1872)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1981 and the end of 1985 with some omissions from earlier years Supplement eighteen - Royal Botanic Gardens, Kew. (Clarendon Press, 1987)

Index Kewensis plantarum phanerogamarum : nomina et synonym omnium generum et specierum a linnaeo usque as annum MDCCLXXXV complectans nomine recepro auctore patria unicuique planta subjectis : sumptibus beati Caroli Roberti Darwin ductu et consilio Josephi D. Hooker Tomus 1-2 = Index Kewensis : an enumeration of the genera and species of flowering plants from the time of Linnaeus to the year 1885 inclusive together with their authors names, the works in which they were first published, their native countries and thei - Hooker, Joseph Dalton, 1817 -1911 (Clarendon Press, 1893)

Index of mosses : a catalog of the names and citations for new taxa, combinations, and names for mosses published during the years 1963 through 1989 with citations of previously published basionyms and replaced names, together with lists of the names of authors of the names and lists of names of publications used in the citations - Magill, Robert E. (Missouri Botanical Garden, 1992)

Index of mosses : a catalog of the names and citations for new taxa, combinations, and names for mosses published during the years 1993 through 1995, inclusive, with citations of previously published basionyms and replaced names together with a bibliography of the publications in which these nova appeared - Magill, Robert E. (Missouri Botanical Garden, 1993)

Index of mosses : a catalog of the names and citations for new taxa, combinations, and names for mosses published during the years 1996 through 1998, inclusive, with citations of previously published basionyms and replaced names together with a bibliography of the publications in which these nova appeared - Crosby, Marshall R. (Missouri Botanical Garden, 2000)

Index of mosses : a catalog of the names and citations for new taxa, combinations, and names for mosses published during the years 1990 through 1992 with citations of previously published basionyms and replaced names together with a bibliography of the publications in which these nova appeared - Magill, Robert E. (Missouri Botanical Garden, 1994)

Index of mosses : a catalog of the names and citations for new taxa, combinations, and names for mosses published during the years 1999 through 2001, inclusive, with citations of previously published basionyms and replaced names together with a bibliography of the publications in which these nova appeared - Magill, Robert E. (Missouri Botanical Garden, 2004)

Index plantarum, or, An alphabetical arrangement of all the genera and species of plants hitherto described : with references to original authorities for each genus and species ... : to which is added, an index of the natural order and an appendix ... - Coyte, William Beeston, 1740 -1810 (Printed by R. Taylor, 1807)

Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1985)

Index to the Herbarium of E.B. Bartram - Bartram, Edwin B. (Edwin Bunting), 1878 -1964 (1982)