A handbook of British birds, showing the distribution of the resident and migratory species in the British islands, with an index to the records of the rarer visitants - Harting, James Edmund, 1841 -1928 (J. van Voorst, 1872)

A handbook of British inland birds - Collett, Anthony Keeling, 1877 -1929. (Macmillan, 1906)

A handbook of the vertebrate fauna of Yorkshire : being a catalogue of British mammals, birds, reptiles, amphibians, and fishes - Clarke, William Eagle, 1853 -1938 (Reeve, 1881)

A handbook to the birds of British Burmah, including those found in the adjoining state of Karennee - Oates, Eugene William, 1845 -1911 (R.H. Porter, 1883)

A handbook to the birds of Egypt - Shelley, G. E. (George Ernest), 1840 -1910 (John Van Voorst, 1872)

Handbook to the birds of the Bombay presidency - Barnes, H. Edwin (Henry Edwin), 1848 -1896 (The Calcutta Central Press, 1885)

Handbook to the natural history of Cambridgeshire - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (University press, 1904)

A handbook to the vertebrate fauna of north Wales - Forrest, H. Edward (Herbert Edward), 1858 - (Witherby & Co, 1919)

Handbuch der Forstwissenschaft - Lorey, Tuisko von, 1845 -1901 (H. Laupp, 1912)

Handbuch der Oologie. Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1960)

Handbuch der Oologie. Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1983)

Handbuch der Oologie. Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1988)

Handbuch der Oologie. Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1992)

A handlist of Malaysian birds : a systematic list of the birds of the Malay Peninsula, Sumatra, Borneo and Java, including the adjacent small islands - Chasen, Frederick N. (Frederick Nutter), 1896 -1942 (Printed at the Govt. Print. Off, 1935)

Handlist of the birds of Egypt - Nicoll, M. J. (Michael John), 1880 -1925 (Government Press, 1919)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Handwörterbuch der Zoologie - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (F. Enke, 1887)

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

Heligoland as an ornithological observatory; the result of fifty years' experience - Rosenstock, Rudolph (D. Douglas, 1895)

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

A history of British birds - Seebohm, Henry, 1832 -1895 (Pub. for the author by R. H. Porter [etc.], 1883)

A history of British birds - Yarrell, William, 1784 -1856 (J. Van Voorst, 1845)

A history of British birds - Yarrell, William, 1784 -1856 (John van Voorst, 1874)

A history of British birds - Yarrell, William, 1784 -1856 (John van Voorst, 1871)

A history of British birds - Yarrell, William, 1784 -1856 (John van Voorst, 1884)

A history of British birds, indigenous and migratory: including their organization, habits, and relations; remarks on classification and nomenclature; an account of the principal organs of birds, and observations relative to practical ornithology ... - MacGillivray, William 1796 -1852 (Printed for Scott, Webster, and Geary, 1837)

A history of British birds, with coloured illustrations of their eggs - Seebohm, Henry, 1832 -1895 (Pub. for the author by R. H. Porter [etc.], 1883)

A history of Hampshire and the Isle of Wight - Doubleday, Herbert Arthur, 1867 -1941 ([Constable], 1900)

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

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1873)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1984)

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

A history of the birds of Ceylon - Keulemans, J. G. (John Gerrard), 1842 -1912 (Published by the author, 1880)

A History of the birds of Ceylon - Legge, W. Vincent (William Vincent), 1841 -1918 ([Legge], 1880)

A history of the birds of Europe : including all the species inhabiting the western palaearctic region - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1871)

A history of the birds of Europe : including all the species inhabiting the Western Palaearctic Region - Dresser, H. E. (Henry Eeles), 1838 -1915 (Dresser)

hu nan lin ye - Hunan lin xue yuan (gao deng jiao yu chu ban she, 1959)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1859)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1861)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1863)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1865)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1866)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1867)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1868)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1870)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1871)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1873)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1875)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1876)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1881)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1883)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1994)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1885)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1888)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1889)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1891)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1893)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1895)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1896)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1897)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1898)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1899)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1900)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1901)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1902)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1903)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1904)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1905)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1906)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1908)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1909)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1911)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1913)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1915)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1916)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1917)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1918)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1919)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1920)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1921)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1922)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1952)

The illustrated natural history - Goode, G. Brown (George Brown), 1851 -1896 (Routledge, Warne and Routledge, 1862)

Illustrations of British ornithology - Selby, Prideaux John, 1788 -1867 (Printed for the proprietor, and published by W.H. Lizars ; London : Longman, Rees, Orme, Brown, Green and Longman ; Dublin : W. Curry Jun. & Co, 1833)

Illustrations of the birds of California, Texas, Oregon, British and Russian America. : Intended to contain descriptions and figures of all North American birds not given by former American authors, and a general synopsis of North American ornithology - Cassin, John, 1813 -1869 (J.B. Lippincott & Co, 1862)

In the Andamans and Nicobars; the narrative of a cruise in the schooner "Terrapin", with notices of the islands, their fauna, ethnology, etc - Kloss, C. Boden (Cecil Boden), 1877 -1949 (J. Murray, 1903)

Index-catalogue of medical and veterinary zoology. Authors - United States. Office of Experiment Stations. (Zoological Division, Bureau of Animal Industry, 1908)

Index-catalogue of the birds in the Hancock collection - Howse, Richard. (Printed for the Natural History Society, 1899)

Indian birds; being a key to the common birds of the plains of India - Dewar, Douglas, 1875 -1957 (John Lane, 1910)

Insecta epizoa : die auf Säugethieren und Vögeln schmarotzenden Insecten nach Chr. L. Nitzsch's Nachlass - Giebel, C. (Christoph), 1820 -1881 (O. Wigand, 1874)

Insekten-Börse (1890)

International catalogue of scientific literature. N, Zoology - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1901)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1910)

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

International convention for the protection of birds - Herman, Ottó, 1835 -1914 (V. Hornyánszky, court printer, 1907)

The international convention for the protection of birds concluded in 1902; and Hungary. Historical sketch - Herman, Ottó, 1835 -1914 (W. Hornyánszky, court printer, 1907)

Inventory and monitoring of bald eagles and other raptorial birds of the Snake River, Idaho : 1996-1997 progress report - United States. Bureau of Land Management. (Bureau of Land Management, Idaho State Office, 1997)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1892)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1917)

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

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

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1845)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1847)

IUCN Directory of South Asian Protected Areas (1990)