Introduction to botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1914)

Introduction to cryptogamic botany - Berkeley, M. J. (Miles Joseph), 1803 -1889 (H. Bailliere, 1857)

Introduction to cryptogamic botany - Berkeley, M. J. (Miles Joseph), 1803 -1889 (H. Bailliere; [etc.,etc], 1857)

Introduction to cytology - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill Book Company, inc, 1934)

An introduction to cytology, by Lester W. Sharp ... - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill book company, inc, 1921)

An introduction to cytology - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill book company, inc, 1921)

An introduction to cytology - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill, 1921)

Introduction to fresh-water algae with an enumeration of all the British species - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (K. Paul, Trench, Trübner & Co., ltd, 1890)

An introduction to practical bacteriology for physicians, chemists and students - Campbell, Henry Johnstone, 1859 -1935 (Sonnenschein, 1893)

An introduction to practical bacteriology for physicians, chemists, and students - Campbell, Henry Johnstone, 1859 -1935 (S. Sonnenschein, 1893)

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

An Introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longman's, Green and co, 1929)

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 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)

An introduction to the study of Algae - Chapman, V. J. (Valentine Jackson), 1910 -1980 (Macmillan, 1941)

An introduction to the study of seaweeds - Murray, George, 1858 -1911 (Macmillan, 1895)

An introduction to zoology, with directions for practical work (invertebrates) - Lulham, Rosalie Blanche Jermaine. (Macmillan, 1913)

Invasive alien flora and fauna in South Africa : expertise and bibliography - South African National Biodiversity Institute. (South African National Biodiversity Institute, 2007)

The invertebrate fauna of the Firth of Forth - Herdman, W. A. Sir, (William Abbott), 1858 -1924 (Printed by M'Farlane & Erskine, 1881)

An investigation to define minimum stream flows necessary to sustain the fish and wildlife resources of the Upper Clark Fork River : eutrophication-related influences : baseline nutrient, Diel dissolved oxygen and algal accrual studies during 1976-77 and a review of previous investigations - Montana. Ecological Services Division. (Montana Dept. of Fish and Game, Ecological Services Division, 1978)

Investigations in fish control - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1975)

Investigations of cells and organisms : a laboratory study in biology - Thomson, Robert G. (Prentice-Hall, 1968)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1894)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1895)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1899)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1903)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1905)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1909)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1912)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1913)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1914)

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

IUCN Directory of Protected Areas in Oceania (1991)

The IUCN Invertebrate Red Data Book (1983)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1905)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1915)