The organism as a whole, from a physicochemical viewpoint - Loeb, Jacques, 1859 -1924 (Putnam's Sons, 1916)

The origin and development of the nervous system, from a physiological viewpoint - Child, Charles Manning, 1869 -1954 (The University of Chicago press, 1921)

Osservazioni postume de zoologia adriatica - Meneghini, Giuseppe, 1811 -1889 (Co'tipi di G. Cecchini, 1847)

Osservazioni sopra il sale della creta : con un saggio di produzioni naturali dello stato Sanese - Manetti, Saverio, 1723 -1785 (Nella stamperia del pubblico, per Francesco Rossi stampatore, 1750)

Our floating population : buoy collecting 1937-1940 - Gray, George M. (1940)

Our living world; an artistic edition of the Rev. J. G. Wood's Natural history of animate creation - Wood, J. G. (John George), 1827 -1889 (S. Hess, 1885)

An outline of developmental physiology - Raven, Chr. P. (Chr. Pieter), 1906 - (McGraw-Hill, 1954)

An outline of the natural history of our shores - Sinel, Joseph. (S. Sonnenschein, 1906)

An outline of the natural history of our shores - Sinel, Joseph. (Swan Sonnenschein & Co, 1906)

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 and medical zoology - Allen, Harrison, 1841 -1897 (Lippincott, 1874)

Outlines of comparative anatomy and medical zoology - Allen, Harrison, 1841 -1897 (J.B. Lippincott & co, 1869)

Outlines of comparative anatomy : intended principally for the use of students - Fyfe, Andrew, 1754 -1824 (Printed by J. Pillans & sons for Adam Black, South Bridge Street, 1813)

Outlines of creation - Noyce, Elisha. (Ward & Lock, 1858)

Outlines of evolutionary biology - Dendy, Arthur, 1865 -1925 (Constable, 1912)

Outlines of evolutionary biology - Dendy, Arthur, 1865 -1925 (D. Appleton and company, 1912)

Outlines of evolutionary biology - Dendy, Arthur, 1865 -1925 (D. Appleton and company, 1914)

Outlines of the natural history of Great Britain and Ireland, containing a systematic arrangement and concise description of all the animals, vegetables and fossiles which have hitherto been discovered in these kingdoms - Berkenhout, John, 1730 -1791 (Printed for P. Elmsly (Successor to Mr. Vaillant), 1769)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Pentland, 1899)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Appleton, 1916)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Young J. Pentland, 1892)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton & Co, 1892)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Young J. Pentland, 1895)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Frowde and Hodder & Stoughton, 1899)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton & Co, 1895)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton, 1895)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Frowde and Hodder & Stoughton, 1921)

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

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton, 1906)

Ovum - Thomson, Allen, 1809 -1884 ([s.n.], 1856)

Palaeontology - Palaeontological Association (Palaeontological Association, 1975)

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

Palæontology of New-York - Hall, James, 1811 -1898 (Printed by C. Van Benthuysen, 1851)

Palaozoologie : Entwurf einer systematischen Darstellung der Fauna der Vorwelt - Giebel, C. (Christoph), 1820 -1881 (Nulandt'sche buchandlung (L. Garcke), 1846)

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 from the Tortugas Laboratory of the Carnegie Institution of Washington - Carnegie Institution of Washington. Department of Marine Biology. (Carnegie Institution of Washington, 1908)

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

Parasynaptic stages in the testis of Aneides lugubris (Hallowell) - Long, Joseph Abraham, 1879 - (University of California press, 1914)

Patterns and problems of development - Child, Charles Manning, 1869 -1954 (The University of Chicago Press, 1941)

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

Petrefacta Germaniæ tam ea : quae in Museo Universitatis Regiae Borussicae Fridericiae Wilhelmiae Rhenanae servantur quam alia quaecunque in Museis Hoeninghusiano Muensteriano aliisque extant, iconibus et descriptionibus illustrata = Abbildungen und Beschreibungen der petrefacten Deutschlands und der angränzenden Länder - Münster, Georg, Graf zu, 1776 -1844 (in der lithographischen Anstalt, Arnz & Comp, 1826)

Petrefactenkunde Deutschlands / von Fr. Aug. Quenstedt - Quenstedt, Fr. Aug. von (Friedrich August), 1809 -1889 (L.F. Fues, 1878)

Die Pflanzenthiere in Abbildungen nach der Natur : mit Farben erleuchtet nebst Beschreibungen - Esper, Eugen Johann Christoph, 1742 -1810 (in der Raspischen Buchhandlung, 1791)

Die Pflanzenthiere in Abbildungen nach der Natur : mit Farben erleuchtet nebst Beschreibungen - Esper, Eugen Johann Christoph, 1742 -1810 (in der Raspischen Buchhandlung, 1797)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1916)

Philipp Cavolini's Abhandlungen über Pflanzen-thiere des Mittelmeers - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Bei Johann Leonhard Schrag, 1813)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1913)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1915)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1906)

The Philosophical magazine : comprehending the various branches of science, the liberal and fine arts, geology, agriculture, manufactures and commerce (Richard Taylor and Co, 1803)

The Philosophical transactions of the Royal society of London, from their commencement in 1665, in the year 1800 - Royal Society (Great Britain) (Printed by and for C. and R. Baldwin, 1809)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1704)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1834)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1875)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1878)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1883)

Philosophie des organischen : Gifford-vorlesungen gehalten an der Universität Aberdeen in den Jahren 1907-1908 - Driesch, Hans, 1867 -1941 (W. Engelmann, 1909)

The philosophy of zoology, or, A general view of the structure, functions, and classification of animals - Fleming, John, 1785 -1857 (Hurst, Robinson & Co, 1822)

The philosophy of zoology; or, A general view of the structure, functions, and classification of animals - Fleming, John, 1785 -1857 (A. Constable, 1822)

The physiology of reproduction - Marshall, F. H. A. (Francis Hugh Adam), 1878 -1949 (Longmans, Green and Co, 1910)

The physiology of reproduction - Marshall, F. H. A. (Francis Hugh Adam), 1878 -1949 (Longmans, Green, 1910)

The physiology of reproduction - Marshall, F. H. A. (Francis Hugh Adam), 1878 -1949 (Longmans, Green, and co, 1922)