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

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1917)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1918)

Pharmaceutical bacteriology - Schneider, Albert, 1863 -1928 (P. Blakiston's Son & Co, 1920)

Pharmaceutical bacteriology - Schneider, Albert, 1863 -1928 (P. Blakiston's sons & co, 1920)

Pharmaceutical bacteriology - Schneider, Albert, 1863 -1928 (P. Blakiston's son, 1920)

Pharmaceutical bacteriology, with special reference to disinfection and sterilization - Schneider, Albert, 1863 -1928 (P. Blakiston's son & co, 1912)

Pharmaceutical bacteriology, with special reference to disinfection and sterilization - Schneider, Albert, 1863 -1928 (Blakiston, 1912)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1883)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1907)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1914)

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, 1917)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1920)

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

Philosophical transactions. Series A: Mathematical and physical sciences - Royal Society (Great Britain) (1887)

Physiological and pathological researches; being a reprint of the principal scientific writings of the late T. R. Lewis. In memoriam - Aitken, William, 1825 -1892 (Lewis Memorial Committee, 1888)

Physiological responses of tomato fruit to ethylene at high temperature - Masarirambi, Michael Tavengwa, 1964 - (1997)

Physiological studies of Connecticut leaf tobacco - United States. Department of Agriculture. (G.P.O, 1900)

La physiologie générale - Laumonier, Jean, 1861 - (Schleicher frères, 1897)

The physiology of alimentation - Fischer, Martin, 1879 - (J. Wiley & Sons; [etc., etc.], 1907)

Physiology of bacteria - Rahn, Otto, 1881 -1957 (P. Blakiston's son & co., inc, 1932)

Physiology of fungi - Cochrane, Vincent W. (Wiley, 1958)

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)

The physiology of the Invertebrata - Griffiths, A. B. (Arthur Bower), 1859 - (D. Appleton and Company, 1892)

The physiology of the invertebrata - Griffiths, A. B. (Arthur Bower), 1859 - (L. Reeve, 1892)

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, 1976)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1977)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1981)

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

Plant anatomy : from the standpoint of the development and functions of the tissues : and handbook of micro-technic - Stevens, William Chase, 1861 -1955 (P. Blakiston, 1907)

Plant anatomy from the standpoint of the development and functions of the tissues, and handbook of micro-technic - Stevens, William Chase, 1861 -1955 (P. Blakiston's Son, 1910)

Plant anatomy from the standpoint of the development and functions of the tissues, and handbook of microtechnic - Stevens, William Chase, 1861 -1955 (P. Blakiston, 1910)

The plant cell : its modifications and vital processes, a manual for students - Royal College of Physicians of Edinburgh. (Charles Griffin, 1910)

The plant cell : its modifications and vital processes, a manual for students - Haig, Harold Axel. (Charles Griffin, 1910)

The plant cell, its modifications and vital processes; a manual for students - Haig, Harold Axel. (C. Griffin and Company, Ltd, 1910)

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 diseases of international importance - Kumar, Jatinder (Prentice Hall, 1900)

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-life on land considered in some of its biological aspects - Bower, F. O. (Frederick Orpen), 1855 -1948 (University Press, 1911)

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

Plant physiology - Hopping, Aleita, 1890 - (P. Blakiston's Son & Co, 1918)

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 physiology - Hopping, Aleita, 1890 - (P. Blakiston's son & co, 1923)

The Plant world - Plant World Association. (Plant World Association [etc.], 1914)

The Plant world - Plant World Association. (Plant World Association [etc.], 1917)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1946)

Plants and their uses; an introduction to botany - Sargent, Frederick Leroy, 1863 -1928 (H. Holt and company, 1913)

Plants of Iowa; a preliminary list of the native and introduced plants of the state, not under cultivation - Greene, Wesley. (Bishard brothers, printers, 1907)

The plugging effect of bacteria in sandstone systems - Alberta Research Council. (University of Alberta, 1960)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1877)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1878)

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)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1908)

Populäre biologische Vorträge - Molisch, Hans, 1856 -1937 (G. Fischer, 1922)

Post-harvest management and processing of fruits and vegetables - Chasta, S. S. (Directorate of Knowledge Management in Agriculture, Indian Council of Agricultural Research, 2012)

Postgenomics : perspectives on biology after the genome - Duke University Press. (Duke University Press, 2015)

Potato leaf roll and its insect vectors in the Edmonton District - University of Alberta. Dept. of Entomology. ([University of Alberta], 1945)

Poultry diseases and their treatment - Kaupp, B. F. (Benjamin Franklyn), 1874 -1954 (Eger, 1914)

Poultry diseases and their treatment - Campbell, D. M. (Delwin Morton), 1880 -1952 (American Journal of Veterinary Medicine, 1914)

Poultry diseases, including diseases of other domesticated birds; with a chapter on the anatomy of the fowl - Kaupp, B. F. (Benjamin Franklyn), 1874 -1954 (A. Eger, 1922)

Poultry diseases, with a chapter on the Anatomy of the fowl - Kaupp, B. F. (Benjamin Franklyn), 1874 -1954 (American Veterinary Pub. Co, 1917)

Poultry diseases : with a chapter on the Anatomy of the fowl - Kaupp, B. F. (Benjamin Franklyn), 1874 -1954 (American Veterinary Pub. Co, 1917)

Practical bacteriology, blood work and animal parasitology, including bacteriological keys, zoological tables and explanatory clinical notes - Stitt, Edward Rhodes, 1867 - (P. Blakiston's son and co, 1916)

Practical bacteriology, blood work and animal parasitology : including bacteriological keys, zoological tables and explanatory clinical notes - Stitt, Edward Rhodes, 1867 - (P. Blakiston, 1914)

Practical bacteriology, microbiology and serum therapy (medical and veterinary) A text book for laboratory use - Besson, Albert, 1868 -1931 (Longmans, Green, and co, 1913)

A practical course in botany : with especial reference to its bearings on agriculture, economics, and sanitation - Lloyd, Francis Ernest, 1868 -1947 (American Book Company, 1911)

A practical course in botany, with especial reference to its bearings on agriculture, economics, and sanitation - Lloyd, Francis Ernest, 1868 -1947 (American book company, 1911)

Practical dairy bacteriology, prepared for the use of students, dairymen, and all interested in the problems of the relation of milk to public health - Conn, H. W. (Herbert William), 1859 -1917 (O. Judd company: [etc., etc.], 1907)

Practical plant biology; a course of elementary lectures on the general morphology and physiology of plants - Dixon, Henry Horatio, 1869 - (Longmans, Green and co, 1922)

Practical plant physiology : an introduction to original research for students and teachers of natural science, medicine, agriculture and forestry - Detmer, W. (Wilhelm), 1850 -1930 (Swan Sonnenschein, 1898)

Practical plant physiology : an introduction to original research for students and teachers of natural science, medicine, agriculture and forestry - Detmer, W. (Wilhelm), 1850 -1930 (S. Sonnenschein, 1898)

A practical text-book of infection, immunity, and specific therapy, with special reference to immunologic technic - Kolmer, John A. (Saunders, 1917)

A practical text-book of infection, immunity and specific therapy, with special reference to immunologic technic - Kolmer, John A. (W. B. Saunders company, 1915)

A practical text-book of infection, immunity and specific therapy, with special reference to immunilogic technics - Kolmer, John A. (W. B. Saunders company, 1917)

Preliminary catalogue of the flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (1892)

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

Principles and practice of butter-making; a treatise on the chemical and physical properties of milk and its components, the handling of milk and cream, and the manufacture of butter therefrom - McKay, George Lewis. (J. Wiley & sons [etc., etc.], 1906)

Principles and practice of butter-making; a treatise on the chemical and physical properties of milk and its components, the handling of milk and cream, and the manufacture of butter therefrom - McKay, George Lewis. (J. Wiley & sons; [etc., etc.], 1908)

Principles and practice of milk hygiene - Klein, Louis Amos, 1871 - (J.B. Lippincott Company, 1917)

Principles and practice of milk hygiene - Klein, Louis Amos, 1871 - (J.B. Lippincott Co, 1917)

The principles and practice of veterinary medicine - Williams, William, 1832 -1900 (John Menzies, 1897)