Guide leaflet - American Museum of Natural History (The Museum, 1907)

Guide leaflet - American Museum of Natural History (The Museum, 1914)

Guide leaflet - American Museum of Natural History (The Museum, 1917)

Guide leaflet - American Museum of Natural History (The Museum, 1918)

Guide leaflet - American Museum of Natural History (The Museum, 1937)

Guide leaflet - American Museum of Natural History (The Museum, 1942)

A guide to an arrangement of British insects : being a catalogue of all the named species hitherto discovered in Great Britain and Ireland - Curtis, John, 1791 -1862 (Printed for the author, published and sold by J. Pigot, 1837)

A guide to Belfast and the counties of Down & Antrim - Belfast Naturalists' Field Club. (M'Caw, Stevenson & Orr, ltd, 1902)

Guide to California insects - Woodworth, C. W. (Charles William), 1865 -1940 (The Law press, 1913)

The Guide to nature - Agassiz Association. (Agassiz Association, 1917)

Guide to the coral gallery (Protozoa, Porifera or sponges, Hydrozoa, and Anthozoa) : in the Department of Zoology, British Museum (Natural History) ... - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Printed by order of the Trustees [by W. Clowes and sons, limited], 1907)

Guide to the exhibited series of insects in the Department of Zoology, British Museum (Nat. Hist.) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1909)

Guide to the insects of Connecticut - Wheeler, William Morton, 1865 -1937 (Printed for The State Geological and Natural History Survey, 1942)

Guide to the invertebrates of the synoptic collection in the Museum of the Boston society of natural history - Sheldon, J. M. Arms (Jennie Maria Arms), 1852 -1938 (The Society, 1905)

Guide to the invertebrates of the synoptic collection in the Museum of the Boston society of natural history - Boston Society of Natural History. Museum. (The Society, 1905)

Guide to the specimens and enlarged models of insects and ticks exhibited in the Central Hall, illustrating their importance in the spread of disease - British Museum (Natural History) (1916)

Guide to the study of animal parasites - Christenson, Reed O. 1904 - (McGraw-Hill, 1930)

A guide to the study of fresh-water biology, with special reference to aquatic insects and other invertebrate animals and phyto-plankton - Needham, James G. (James George), 1868 -1957 (New York, Comstock Pub. Co, 1941)

Guide to the study of insects and a treatise on those injurious and beneficial to crops : for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt, 1878)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's Agency; [etc., etc.], 1874)

Guide to the study of insects and a treatise on those injurious and beneficial to crops for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1880)

Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1889)

Guide to the zoological collections of the Raffles Museum, Singapore - Hanitsch, R. (Printed by the Straits Times Press, 1908)

Half-hours with insects - Packard, A. S. (Alpheus Spring), 1839 -1905 (Estes & Lauriat, 1873)

Half hours with insects - Packard, A. S. (Alpheus Spring), 1839 -1905 (Estes and Lauriat, 1881)

Halteres - ANeT-India. (Organisation for Conservation and Study of Biodiversity in collaboration with ANeT-India, 2014)

Halteres - ANeT-India. (Organisation for Conservation and Study of Biodiversity in collaboration with ANeT-India, 2015)

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

Handbook for rangers & woodsmen - Taylor, Jay L. B. (Jay Laird Burgess), 1884 - (John Wiley & sons, inc.; [etc., etc.], 1917)

Handbook for rangers and woodsmen - Taylor, Jay L. B. (Jay Laird Burgess), 1884 - (John Wiley & Sons, Inc, 1916)

A handbook of British mosquitoes - British Museum (Natural History). Department of Entomology. (Printed by order of the Trustees of the British Museum, and sold by Longmans, Green, 1920)

Handbook of flower pollination : based upon Hermann Müller's work ʻThe fertilisation of flowers by insectsʼ - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1909)

Handbook of health in war and peace : a manual of personal preparedness - Winslow, C.-E. A. (Charles-Edward Amory), 1877 -1957 (American Museum of Natural History, 1917)

Handbook of instructions for collectors - British Museum (Natural History) (Printed by order of the Trustees [by Hazell, Watson and Viney, ld.], 1904)

Handbook of instructions for collectors - British Museum (Natural History) (Printed by order of the Trustees [by Hazell, Watson and Viney, ld.], 1902)

Handbook of instructions for collectors - British Museum (Natural History) (Printed by order of the Trustees [by Hazell, Watson and Viney, ld.], 1906)

Handbook of medical entomology - Johannsen, O. A. (Oskar Augustus), 1870 -1961 (The Comstock Publishing Company, 1915)

Handbook of medical entomology - Johannsen, O. A. (Oskar Augustus), 1870 -1961 (Comstock Pub. Co, 1915)

Handbook of nature-study : for teachers and parents : based on the Cornell nature-study leaflets, with much additional material and many new illustrations - Comstock, Anna Botsford, 1854 -1930 (Comstock Publishing Company, 1912)

Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets, with much additional material and many new illustrations - Comstock, Anna Botsford, 1854 -1930 (Comstock Publishing Company, 1916)

Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets - Comstock, Anna Botsford, 1854 -1930 (Comstock Publishing Company, 1911)