On agriculture, with a recension of the text and an English translation by Harrison Boyd Ash - Columella, Lucius Junius Moderatus. (Harvard University Press, 1941)

On farming : M. Terenti Varronis Rerum rusticarum libri tres - Storr-Best, Lloyd, (G. Bell, 1912)

On some remarkable forms of animal life from the great deeps off the Norwegian coast... - Sars, G. O. (Georg Ossian), 1837 -1927 (Printed by Brøgger & Christie [etc.], 1872)

On the development of the skeleton of the tuatara, Sphenodon punctatis ; with remarks on the egg, on the hatching, and on the hatched young - Howes, George Bond, 1853 -1905 (Printed for the Society, sold at their house in Hanover Square, 1901)

On the popular names of British plants : being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (F. Norgate; [etc., etc.], 1879)

Onomatologia Anatomica. Geschichte und Kritik der anatomischen Sprache der Gegenwart, mit besonderer Berücksichtigung ihrer Barbarismen, Widersinnigkeiten, Tropen und grammatikalischen Fehler - Hyrtl, Joseph, 1811 -1894 (W. Braumüller, 1880)

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, 1954)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1915)

Ornamental and domestic poultry : their history and management - Dixon, Edmund Saul, 1809 -1893 (Gardeners' Chronicle, 1850)

Ornamental and domestic poultry: their history and management - Dixon, Edmund Saul, 1809 -1893 (The Gardeners' Chronicle, 1848)

Our Nation and the sea: a plan for national action: report of the commission on marine science, engineering and resources - United States. Commission on Marine Science, Engineering,; Resources. (For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1969)

Outlines of an attempt to establish a knowledge of extraneous fossils on scientific principles - Martin, William, 1767 -1810 (Printed by J. Wilson, 1809)

Outlines of comparative anatomy of vertebrates - Kingsley, J. S. (John Sterling), 1854 -1929 (P. Blakiston, 1917)

The outlines of the veterinary art; or, The principles of medicine : as applied to the structure, functions, and economy, of the horse, and to more scientific and successful manner of treating his various diseases : comprehending, also, a concise view of those of neat cattle and sheep... - Blaine, Delabere P. (Delabere Pritchett), 1770 -1845 (Printed for Boosey & Sons, 1826)

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

Over de ontwikkeling van het chondrocranium en de kraakbeenige wervelkolom van eenige Urodela en Anura - Peeters, Johannes Leonardis Elbertus. (G.F. Theonville, 1910)

P. Dioscoridae pharmacorum simplicium reiq[ue] medicae libri VIII - Barbaro, Ermolao, 1454 -1493 (Apud Io. Schottum, 1529)

Palaeontographia Italica : Memorie di paleontologia - Canavari, Mario 1855 -1928 (Tip. T. Nistri, 1895)

Palaeontographia Italica : Memorie di paleontologia - Canavari, Mario 1855 -1928 (Tip. T. Nistri, 1903)

Palaeontographia Italica : Memorie di paleontologia - Canavari, Mario 1855 -1928 (Tip. T. Nistri, 1905)

Palaeontographica. Supplement (Theodor Fischer, 1880)

Palaeontographica (Theodor Fischer, 1883)

Palaeontographica (Theodor Fischer, 1889)

Palaeontographica (Theodor Fischer, 1896)

Palaeontographica (Theodor Fischer, 1900)

Palaeontographica (Theodor Fischer, 1902)

Palaeontographica (Theodor Fischer, 1904)

Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1958)

Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1956)

Palaeontology - Palaeontological Association (Palaeontological Association, 1997)

Palæontology, invertebrate - Woods, Henry, 1868 -1952 (The University press, 1909)

Paleontological bulletin / by Edward D. Cope - Cope, E. D. (Edward Drinker), 1840 -1897 (s.n.], 1872)

Paléontologie française : description zoologique et géologique de tous les animaux mollusques et rayonnés fossiles de France : comprenant leur application à la reconnaissance des couches - Orbigny, Alcide Dessalines d', 1802 -1857 (Chez l'auteur, 1840)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1886)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1915)

Papers from the Tortugas Laboratory of the Carnegie Institution of Washington - Carnegie Institution of Washington. Department of Marine Biology. (Carnegie Institution of Washington, 1918)

Papers on Mollusca of Japan - Pilsbry, Henry Augustus, 1862 -1957 (1901)

Pedanii Dioscoridis anazerbei De materia medica libri quinque : ad fidem cadicum manuscriptorum - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Cnobloch, C. (Carl), 1778-1834, 1829)

The Pennsylvania farm journal (A.M. Spangler, 1851)

Petri Andreæ Matthioli Senensis, medici caesari, et serenissimi principiis Ferdinandi archidvcis Avstriae &c. Commentarij in VI. libros Pedacij Dioscoridis Anazarbei de medica materia, ab ipso avtore recogniti, et locis plvs mille avcti. Adjectis magnis, ac nouis plantarum, ac animalium iconibus ... Accesserunt ad margines Græci contextus ... qui Dioscoridis ipsius deprauatam lectionem restituunt. Cum locupletissimis indicibus - Mattioli, Pietro Andrea, 1501 -1577 (apud Felicem Valgrisium, 1583)

Petri Andreæ Matthioli Senensis medici, Commentarii in sex libros Pedacii Dioscoridis Anazarbei De medica materia - Mattioli, Pietro Andrea, 1501 -1577 (Ex Officina Valgrisiana, 1565)

Petrificata suecana formationis cretaceæ - Nilsson, Sven, 1787 -1883 (ex officina Berlingiana, 1827)

Die Pflanzenordnung der Gonatopteriden oder Hydropteriden, (Gliederforme, Wasserfarne) : dargestellt in der Charakteristik und Entwicklungsgeschichte ihrer Familien, der Lycopodiaceen, Characeen, etc - Eisengrein, Georg Adolf, 1799 -1857 (1848)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1912)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1913)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1914)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1922)

Pharmacographia :A history of the principal drugs of vegetable origin, met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan and co, 1879)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1916)