Handbuch des Getreidebaues - Werner, Hugo, Dr. (Parey, 1885)

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

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1891)

Harriman Alaska series. vol. I-V, VIII-XIV - Smithsonian Institution (Smithsonian Institution, 1904)

Hedwigia (Verlag und Druck von C. Heinrich, 1889)

Hedwigia (Verlag und Druck von C. Heinrich, 1913)

High arctic insect-flower relations : the inter-relationships of arthropods and flowers at Lake Hazen, Ellesmere Island, N.W.T., Canada - Kevan, Peter G., 1944 - (University of Alberta, Dept. of Entomology, 1970)

Histoire naturelle des animaux articulés, annelides, crustacés, arachnides, myriapodes et insectes - Castelnau, Francis, comte de, 1812 -1880 (M. Duménil, 1840)

Histoire naturelle des insectes. Diptères - Macquart, J., (Justin), 1778 -1855 (Librairie Encyclopédique de Roret, 1835)

Histoire naturelle des insectes : Orthoptères, Névroptères, Hémiptères, Hyménoptères, Lépidoptères et Diptères - Blanchard, Emile, 1819 -1900 (P. Duménil, 1840)

Histoire naturelle des insectes - Castelnau, Francis, comte de, 1812 -1880 (P. Duménil, 1840)

The history of Glanville's Wootton, in the County of dorset, including its zoology and botany - Dale, Charles William, 1851 -1906 (Hatchards, 1878)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1842)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1879)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1933)

Holly, yew & box, with notes on other evergreens - Moore, Thomas, 1821 -1887 (John Lane, 1908)

Homes without hands. : Being a description of the habitations of animals, classed according to their principle of construction - Wood, J. G. (John George), 1827 -1889 (Longmans, Green, and Co, 1866)

Homes without hands : being a description of the habitations of animals, classed according to their principle of construction - Wood, J. G. (John George), 1827 -1889 (Harper & Brothers, 1866)

Homes without hands. Being a description of the habitations of animals, classed according to their principle of construction - Wood, J. G. (John George), 1827 -1889 (Longmans, Green, 1865)

Homes without hands. Being a description of the habitations of animals, classed according to their principle of construction - Wood, J. G. (John George), 1827 -1889 (Harper & Brothers, 1866)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1915)

Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

Hymenoptera of America north of Mexico : synoptic catalog, first supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1958)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

The illustrated dictionary of gardening, a practical and scientific encyclopedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. U. Gill, 1884)

Illustrierte Wochenschrift für Entomologie - Berliner Entomologische Gesellschaft. (J. Neumann, 1896)

Illustriertes Jahrbuch der Naturkunde (Karl Prochaska, 1908)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1902)