The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1901)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1897)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1903)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1908)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1910)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1913)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1890)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1892)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1907)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1910)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1914)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1919)

Hortus Dyckensis; oder, Verzeichniss der in dem botanischen Garten zu Dyck wachsenden Pflanzen - Salm-Reifferscheidt, Joseph, Graf zu, 1773 -1861 (Arnz, 1834)

Hortus dyckensis : ou catalogue des plantes cultivées dans les jardins de Dyck - Salm-Reifferscheidt, Joseph, Graf zu, 1773 -1861 (Arnz, 1834)

Hortus Jamaicensis, or A botanical description (according to the Linnean system) and an account of the virtues, &c., of its indigenous plants hitherto known, as also of the most useful exotics - Lunan, John. (St. Jago de la Vega Gazette, 1814)

Hortus Kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew - Ehret, Georg Dionysius, 1708 -1770 (Printed for George Nicol, Bookseller to his Majesty, 1789)

Hortus Mauritianus :ou enumeration des plantes, exotiques et indigenes, qui croissent a l'Ile Maurice, disposees d'apres la methode naturelle - Bojer, W., 1797 -1858 (Imprimerie d'Aimé Mamarot et Compagnie, 1837)

Hortus Regius Botanicus Berolinensis descriptus, ab Henrico Friderico Link - Link, Heinrich Friedrich, 1767 -1851 (Apud G. Reimer, 1827)

Hortus Regius Botanicus Berolinensis descriptus, ab Henrico Friderico Link - Link, Heinrich Friedrich, 1767 -1851 (Apud G. Reimer, 1833)

Hortus Romanus juxta systema Tournefortianum - Tournefort, Joseph Pitton de, 1656 -1708 (Sumptibus Bouchard et Gravier ex typographia Pauli Junchi, 1784)

Hospicidal behavior of the cleptoparasitic wasp Sapyga luteomaculata and investigation into ontogenetic changes in its larval anatomy (Hymenoptera, Vespoidea, Sapygidae) - Kamel, Soliman M. (American Museum of Natural History, 2009)

The humble-bee : its life-history and how to domesticate it, with descriptions of all the British species of Bombus and Psithyrus - Sladen, F. W. L. (Macmillan, 1912)

The humble-bee, its life-history and how to domesticate it - Sladen, Frederick William Lambert. (Macmillan and co., limited, 1912)

Les Hyménomycètes, ou, Description de tous les champignons (fungi) : qui croissent en France, avec l'indication de leurs propriétés utiles ou vénéneuses - Gillet, C.-C. (Claude-Casimir), 1806 -1896 (Ch. Thomas, 1874)

Hymenoptera ... - Morley, Claude 1874 -1951 (Taylor and Francis; [etc., etc.], 1897)

Hymenoptera ... - Morley, Claude 1874 -1951 (Taylor and Francis; [etc., etc.], 1903)

Hymenoptera ... - Morley, Claude 1874 -1951 (Taylor and Francis; [etc., etc.], 1913)

The Hymenoptera Aculeata of the British Islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to habits, localities, habitats - Saunders, Edward, 1848 -1910 (Reeve, 1896)