Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1958)

Orchis :Monatsschrift der Deutschen Gesellschaft für Orchideenkunde - Dammer, Udo. (1908)

Die Organisation der Trilobiten aus ihren lebenden Verwandten entwickelt - Burmeister, Hermann, 1807 -1892 (Georg Reimer, 1843)

The organization of Trilobites, deduced from their living affinities. With a systematic review of the species hitherto described - Bell, Thomas, 1792 -1880 (Printed for the Ray Society, 1846)

Our common insects. A popular account of the insects of our fields, forests, gardens and houses - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalists' Agency, 1873)

Our common insects A popular account of the insects of our fields, forests, gardens, and houses - Packard, A. S. (Alpheus Spring), 1839 -1905 (Estes and Lauriat, 1873)

Our domestic animals in health and disease - Gamgee, John, 1831 -1894 (Maclachlan & Stewart, 1871)

Outlines of general zoology - Baird, Spencer Fullerton, 1823 -1887 (Rudolph Garrigue, 1851)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Humphrey Milford, Oxford University Press, 1929)

P.A. Latreille scientiarum et artium instituti Gallici ... Genera crustaceorum et insectorum : secundum ordinem naturalem in familias disposita, iconibus exemplisque plurimis explicata - Latreille, P. A. (Pierre André), 1762 -1833 (Apud Amand Knig, Bibliopolam, 1806)

Palaeontographica (Theodor Fischer, 1921)

Palaeontology - Palaeontological Association (Palaeontological Association, 1998)

Parasites and parasitosis of the domestic animals, the zoölogy and control of the animal parasites and the pathogenesis and treatment of parasitic disease - Underhill, Benjamin Mott. (The Macmillan company, 1920)

Parasites : articles contributed to Wood's reference handbook of the medical sciences, new series, 1900-1904 - Ward, Henry Baldwin, 1865 -1945 (1904)

Les parasites des habitations humaines et des denrees alimentaires ou commerciales - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (G. Masson, 1895)

Les parasites et les maladies parasitaires : chez l'homme, les animaux domestiques et les animaux sauvages : avec lesquels ils peuvent étre en contact: insectes, arachnides, crustacés - Mégnin, Pierre, 1828 -1906 (Masson, 1880)

Les parasites et les maladies parasitaires chez l’homme, les animaux domestiques et les animaux sauvages: avec lesquels ils peuvent étre en contact : insectes, arachnides, crustacés - Royal College of Physicians of Edinburgh. (G. Masson, 1880)

Parasites : a treatise on the entozoa of man and animals including some account of the ectozoa - Cobbold, T. Spencer (Thomas Spencer), 1828 -1886 (J. & A. Churchill, 1879)

Parasitic diseases of poultry - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (Gurney, 1896)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1908)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1910)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1911)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1912)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1913)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1914)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1917)

Parasitology (Cambridge University Press, 1920)

Pathologie interne - Cadéac, Célestin, 1858 -1952 (J.B. Baillière, 1913)

Pathologie interne - Cadéac, Célestin, 1858 -1952 (J.B. Baillière, 1914)

Pathology and therapeutics of the domestic animals - Fröhner, Eugen, 1858 -1940 (W. L. Zuill, 1895)

Pearls & parasites - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (Murray, 1908)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)