Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1993)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1995)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1996)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1997)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1999)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 2002)

History of animals in ten books - Aristotle. (G. Bell, 1902)

A history of birds - Pycraft, W. P. (William Plane), 1868 -1942 (Methuen and Co, 1910)

A history of British birds - Seebohm, Henry, 1832 -1895 (Pub. for the author by R. H. Porter [etc.], 1884)

A history of British birds - Morris, F. O. (Francis Orpen), 1810 -1893 (Groombridge and Sons, 1867)

A history of British birds - Morris, F. O. (Francis Orpen), 1810 -1893 (Groombridge and Sons, 1863)

History of British birds - Bewick, Thomas, 1753 -1828 (Printed by Sol. Hodgson, for Beilby & Bewick, 1797)

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

A history of British birds - Yarrell, William, 1784 -1856 (John Van Voorst, 1843)

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, 1885)

A history of British birds - Yarrell, William, 1784 -1856 (John van Voorst, 1882)

History of British birds : the figures engraved on wood - Bewick, Thomas, 1753 -1828 (Printed by Sol. Hodgson, for Beilby & Bewick : sold by them, and G.G. & J. Robinson, London, 1797)

A history of British birds : the figures engraved on wood - Bewick, Thomas, 1753 -1828 (Printed by Edward Walker, for T. Bewick, 1809)

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 British birds, with coloured illustrations of their eggs - Seebohm, Henry, 1832 -1895 (Pub. for the author by R.H. Porter [etc.], 1884)

A history of fowling : being an account of the many curious devices by which wild birds are or have been captured in different parts of the world - Macpherson, H. A. (Hugh Alexander) 1858 -1901 (David Douglas, 1897)

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

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 - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1895)

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

A history of the birds of New Zealand - Buller, Walter Lawry, Sir, 1838 -1906 ([Buller], 1888)

The history of the collections contained in the Natural history departments of the British museum... - British Museum (Natural History) (Printed by order of the Trustees, 1906)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1881)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1894)

hua bei qu zi tan di li zi liao - zhong hua di li zhi bian ji bu (ke xue chu ban she, 1957)

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1891)

Hunting grounds of the old world - H. A. L. (Henry Astbury Leveson), 1828 -1875 (Rutledge, 1871)

The hunting grounds of the old world - H. A. L. (Henry Astbury Leveson), 1828 -1875 (Saunders, Otley & Co, 1860)

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, 1860)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1862)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1864)

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, 1869)

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, 1872)

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, 1874)

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, 1877)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1878)

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, 1882)

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, 1892)

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, 1894)

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, 1900)

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