International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1916)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1919)

International catalogue of scientific literature [Sect.] M. Botany : 1st -14th annual issues, 1901-1914 (Published for the International Council by the Royal Society of London, 1904)

International catalogue of scientific literature [Sect.] M. Botany : 1st -14th annual issues, 1901-1914 (Published for the International Council by the Royal Society of London, 1905)

The International Commission of Jurists; basic facts - International Commission of Jurists (1952- ) (1962)

An interpretation of Rumphius's Herbarium amboinense - Robinson, Charles Budd, 1871 -1913 (Bureau of printing, 1917)

An introduction to bacterial diseases of plants - Smith, Erwin F. (Erwin Frink), 1854 -1927 (Saunders, 1920)

An introduction to bacterial diseases of plants - Smith, Erwin F. (Erwin Frink), 1854 -1927 (W. B. Saunders company, 1920)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Orme, Brown, Green, and Longmans, 1839)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Brown, Green, and Longmans, 1848)

Introduction to plant geography and some related sciences - Polunin, Nicholas (McGraw-Hill, 1960)

Introduction to structural and systematic botany and vegetable physiology : being a 5th and rev. ed. of The botanical textbook, illustrated with over thirteen hundred woodcuts - Gray, Asa, 1810 -1888 (Ivison, Phinney & Co, 1865)

Introduction to structural and systematic botany and vegetable physiology : being a fifth and revised edition of The botanical text-book - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor & Co, 1876)

An introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longmans, 1917)

Introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longmans, Green and co, 1913)

An introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longmans, Green, 1917)

An introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longmans, Green, and co, 1921)

An introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longmans, Green, 1928)

An introduction to the embryology of angiosperms - Maheshwari, P. (Panchanan), 1904 -1966 (McGraw-Hill, 1950)

An introduction to the flora of Natal and Zululand - Bews, J. W. (John William), 1884 -1938 (City Printing Works, 1921)

An introduction to the structure and reproduction of plants - Fritsch, Felix Eugene, 1879 -1954 (Bell, 1920)

An introduction to the structure and reproduction of plants - Fritsch, Felix Eugene, 1879 -1954 (G. Bell and sons ltd, 1920)

Introduction to the study of palaeontological botany - Balfour, John Hutton, 1808 -1884 (Adam and Charles Black, 1872)

Introduction to the systematy of Indian trees - Church, A. H. (Arthur Harry), 1865 -1937 (Oxford University Press, 1921)

Introduction to the systematy of Indian trees - Church, A. H. (Arthur Harry), 1865 -1937 (H. Milford, Oxford university press, 1921)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1914)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1913)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1921)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1922)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1920)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1923)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1978)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1840)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1841)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1843)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1844)

Island biology - Carlquist, Sherwin John, 1930 - (Columbia University Press, 1974)

Island life, or, The phenomena and causes of insular faunas and floras : including a revision and attempted solution of the problem of geological climates - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1902)

Itinera principum S. Coburgi. Die botanische Ausbeute von den Reisen ihrer Hoheiten der Prinzen von Sachsen-Coburg-Gotha. I. Reise der Prinzen Philipp und August um die Welt (1872-1873). II. Reise der Prinzen August und Ferdinand nach Brasilien (1879) - Wawra, Heinrich, 1831 -1887 (C. Gerold's Sohn, 1888)

IUCN Directory of Afrotropical Protected Areas (1987)

Ivan M. Johnston's Studies in the Boraginaceae - Miller, James Stuart, 1953 - (Missouri Botanical Garden Press, 2005)

J. Sturms Flora von Deutschland : in Abbildungen nach der Natur - Sturm, Jakob, 1771 -1848 (K. G. Lutz, 1903)

J. Sturms Flora von Deutschland : in Abbildungen nach der Natur - Sturm, Jakob, 1771 -1848 (K. G. Lutz, 1907)

Jaarverslag Plantentuin Meise = Rapport annuel Jardin botanique de Meise = Annual report Meise Botanic Garden - Jardin Botanique De Meise (APM, 2021)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1889)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1896)