The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1963)

Die Grösse und Farbe der Augen aller europäischen Vögel, sowie der in der palaearctischen Region vorkommenden Arten in systematischer Ordnung nach Carl J. Sundevall's Versuch einer natürlichen Aufstellung der Vögelklasse - Meves, Wilhelm. (W. Schlüter, 1888)

Grundlagen der Chemie - Mendeleyev, Dmitry Ivanovich, 1834 -1907 (Verlag von Carl Ricker, 1891)

Grundzüge der Paläontologie (Paläzoologie)/ von Karl A. von Zittel ... - Zittel, Karl Alfred von, 1839 -1904 (Druck und verlag von R. Oldenbourg, 1903)

Guide to the birds of Europe and North Africa. With a biographical memoir by William Eagle Clarke - Wardlaw Ramsay, R. G. (Robert George), 1852 -1921 (Gurney and Jackson, 1923)

A guide to the birds of New England and eastern New York : containing a key for each season and short descriptions of over 250 species, with particular reference to their appearance in the field - Fuertes, Louis Agassiz, 1874 -1927 (Houghton, Mifflin and Company, 1904)

Guide to the gallery of birds in the department of zoology, British Museum (Natural History) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1921)

Guide to the gallery of birds in the Department of zoology, British museum (Natural history) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1910)

Guide to the gallery of birds in the Department of Zoology of the British Museum (Natural History) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1905)

The Gull - Audubon Association of the Pacific. (Golden Gate Audubon Society, 1932)

The gypsy moth. Porthetria dispar (Linn.). A report of the work of destroying the insect in the commonwealth of Massachusetts, together with an account of its history and habits both in Massachusetts and Europe - Fernald, C. H. (Charles Henry), 1838 -1921 (Wright & Potter Printing Co, 1896)

Hairy-vetch seed production in the United States - McKee, Roland, 1880 - (U.S. Dept. of Agriculture, 1920)

Hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (Allen, 1896)

Hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (Allen, 1895)

Hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (Allen, 1897)

A hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (E. Lloyd, Limited, 1896)

A hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (E. Lloyd, Limited, 1897)

A hand-list of British birds, with an account of the distribution of each species in the British Isles and abroad - Jourdain, F. C. R. (Francis Charles Robert), 1865 -1940 (Witherby, 1912)

Hand-list of genera and species of birds : distinguishing those contained in the British Museum - Gray, George Robert, 1808 -1872 (printed by order of the Trustees, 1869)

Hand-list of genera and species of birds : distinguishing those contained in the British Museum - Gray, George Robert, 1808 -1872 (printed by order of the Trustees, 1871)

A hand-list of the genera & species of birds. (Nomenclator avium tum fossilium tum viventium) - Sharpe, Richard Bowdler, 1847 -1909 (Printed by order of the Trustees, 1899)

A hand-list of the genera & species of birds. (Nomenclator avium tum fossilium tum viventium) - Sharpe, Richard Bowdler, 1847 -1909 (Printed by order of the Trustees, 1900)

A hand-list of the genera & species of birds. (Nomenclator avium tum fossilium tum viventium) - Sharpe, Richard Bowdler, 1847 -1909 (Printed by order of the Trustees, 1912)

Handboek der dierkunde - Leuckart, Rudolf, 1823 -1898 (J.C.A. Sulpke, 1859)

Handbook of avian anatomy : nomina anatomica avium - Nuttall Ornithological Club. (Nuttall Ornithological Club, 1993)

Handbook of birds of eastern North America - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1904)

Handbook of birds of eastern North America - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton and Company, 1896)

Handbook of birds of eastern North America, with keys to the species, and descriptions of their plumages, nests, and eggs, their distribution and migrations ... - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton and Co, 1895)

Handbook of birds of eastern North America with keys to the species and descriptions of their plumages, nests and eggs, their distribution and migrations and a brief account of their haunts and habits with introductory chapters on the study of ornithology, how to identify birds and howto collect and preserve birds, their nests, and eggs - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1895)

Handbook of birds of eastern North America, with keys to the species and descriptions of their plumages, nests, and eggs ... - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton and Co, 1901)

Handbook of birds of the western United States : including the Great Plains, Great Basin, Pacific Slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin, 1915)

Handbook of birds of the western United States : including the Great Plains, Great Basin, Pacific Slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin Company, 1921)

Handbook of birds of the western United States : including the great basin, Pacific slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin, 1920)

Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande valley - Bailey, Florence Merriam, 1863 -1948 (Houghton, Mifflin and company, 1904)

Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton, Mifflin and company, 1902)

Handbook of birds of the western United States, including the Great Plains, Great Basin, Pacific Slope, and lower Rio Grande valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin company, 1908)

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.C. Nimmo, 1901)

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

A handbook of European birds for the use of field naturalists and collectors - Backhouse, James, 1861 -1945 (Gurney and Jackson, 1890)

Handbook of zoology - Clark, William, 1788 -1855 (Longman, Brown, Green, Longmans, and Roberts, 1858)

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)