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 (D. Appleton & Co, 1892)

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

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, 1895)

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

Oversigt over det Kongelige Danske videnskabernes selskabs forhandlinger = Bulletin de l'Académie royale des sciences et des lettres de Danemark - Kongelige Danske videnskabernes selskab. (A.F. Høst, 1897)

Pacific science - University of Hawaii. (University Press of Hawaii, 1947)

Pamphlets on forestry in Michigan (1900)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1979)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1990)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1896)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1898)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1897)

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

Parasitology (Cambridge University Press, 1921)

Pathogenic micro-organisms. A text-book of microbiology for physicians and students of medicine. (Based upon Williams' Bacteriology) - MacNeal, Ward J., 1881 -1946 (P. Blakiston's Son & Co, 1920)

Pathogenic micro-organisms, including bacteria and Protozoa; a practical manual for students, physicians and health officers - Park, William Hallock, 1863 -1939 (Lea brothers & co, 1905)

Pathogenic micro-organisms : including bacteria and Protozoa; a practical manual for students, physicians and health officers - Park, William Hallock, 1863 -1939 (Kimpton, 1908)

Pathogenic micro-organisms; a text-book of microbiology for physicians and students of medicine - MacNeal, Ward J., 1881 -1946 (P. Blakiston's son & co, 1914)

Peach leaf curl : its nature and treatment - Pierce, Newton Barris, 1856 -1916 (Government Printing Office, 1900)

Pflanzenphysiologie; Versuche und Beobachtungen an böheren und niederen Pflanzen einschliesslich Bakteriologie und Hydrobiologie mit Planktonkunde - Kolkwitz, R. (Richard), 1873 -1956 (G. Fischer, 1922)

Pflanzenphysiologie. Versuche und beobachtungen an höheren und niederen pflanzen einschliesslich bakteriologie und hydrobiologie mit planktonkunde - Kolkwitz, R. (Richard), 1873 -1956 (G. Fischer, 1914)

Die Pflanzenwelt - Warburg, Otto, 1859 -1938 (Bibliographisches Institut, 1913)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1880)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1918)

Phylogeny and relationships in the Ascomycetes - Atkinson, George Francis, 1854 -1918 (1915)

The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1900)

The physiology of plants. a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon Press, 1900)

The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1903)

The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1906)

Physiology of the fungi - Lilly, Virgil Greene. (McGraw-Hill, 1951)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1969)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1968)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1970)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1975)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1996)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1997)

Die Pilze (Fungi) von Tirol, Vorarlberg und Liechtenstein - Magnus, P. (Paul), 1844 -1914 (Verlag der Wagner'schen Universitts-Buchh, 1905)

The plant cell wall; a topical study of architecture, dynamics, comparative chemistry and technology in a biological system - Siegel, S. M. (Sanford Marvin), 1928 - (Pergamon Press, 1962)

Plant disease Fungi - Stevens, Frank Lincoln, 1871 -1934 (The Macmillan company, 1925)

Plant-geography upon a physiological basis - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1903)

Plant-geography upon a physiological basis. Translated by W.R. Fisher; rev. and edited by Percy Groom and I.B. Balfour - Schimper, A. F. W. (Andreas Franz Wilhelm), 1856 -1901 (Clarendon Press, 1903)

Plant-life - Hall, Charles A. (Charles Albert), 1872 -1965 (A. & C. Black, 1915)

Plant-life - Hall, Charles A. (Charles Albert), 1872 -1965 (Black, 1915)

Plant morphology - Haupt, Arthur W. (Arthur Wing), 1894 - (McGraw-Hill, 1953)

Plant physiology; authorized English translation by R. J. HarveyGibson; supplement incorporating the alterations of the 2d ed. of the German original - Harvey-Gibson, R. J. (Robert John), 1860 -1929 (Clarendon Press, 1913)

Plant relations : a first book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1910)

Plant structures; a second book of botany - Coulter, John Merle, 1851 -1928 (Appleton, 1906)

Plant structures; a second book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton, 1904)

Plant structures; a second book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and company, 1900)

Plant studies; an elementary botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1905)

Plant studies; an elementary botany - Coulter, John Merle, 1851 -1928 (D. Appleton and company, 1900)

Plant studies; an elementary botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1900)

The Plant world - Plant World Association. (Plant World Association [etc.], 1910)

Plants; a text-book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and company, 1900)

Plants; a text-book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton, 1907)

Plants : a text-book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1907)

The Plasmodiophorales; including a complete host index, bibliography, and a description of diseases caused by species of this order - Karling, John S. (John Sidney), 1898 - (The author, 1942)

Popular botany; the living plant from seed to fruit - Step, Edward, 1855 -1931 (H. Holt and company, 1913)

Popular illustrations of the lower forms of life - Bree, Charles Robert, 1811 -1886 (H. Cox, 1868)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1889)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1899)

Popular Science Review (1881)

Practical text-book of plant physiology - MacDougal, Daniel Trembly, 1865 -1958 (Longmans, 1908)

Practical text-book of plant physiology - MacDougal, Daniel Trembly, 1865 -1958 (Longmans, Green, and Co, 1901)

Praktikum der bakteriologie und protozoologie - Hartmann, Max, 1876 -1962 (G. Fischer, 1907)

A preliminary list of Maine fungi - Ricker, Percy Leroy, 1878 -1973 (1902)

Present-day rationalism critically examined - Henslow, George, 1835 -1925 (Jennings and Graham, 1905)

The primary factors of organic evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (Open Court Pub. Co, 1904)

The primary factors of organic evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (The Open court publishing company, 1904)

The primary factors of organic evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (The Open Court Publishing Company, 1896)