On the physics and physiology of protoplasmic streaming in plants - Ewart, Alfred J. (Alfred James), 1872 -1937 (Clarendon Press, 1903)

On the physics and physiology of protoplasmic streaming in plants - Gotch, Francis, 1853 -1913 (At the Clarendon press, 1903)

On the role of insects, arachnids and myriapods, as carriers in the spread of bacterial and parasitic diseases of man and animals. A critical and historical study - Austen, E. E. (Ernest Edward), 1867 -1938 (J. & A. Churchill, 1900)

The onion (ICAR-Directorate of Knowledge Management in Agriculture, Indian Council of Agricultural Research, 2015)

Orcharding - Massachusetts. Dept. of Agriculture. (Wright & Potter printing company, state printers, 1921)

Orchis :Monatsschrift der Deutschen Gesellschaft für Orchideenkunde - Dammer, Udo. (1915)

Die organischen Regulationen, Vorbereitungen zu einer Theorie des Lebens - Driesch, Hans, 1867 -1941 (Engelmann, 1901)

The organism as a whole, from a physico-chemical viewpoint - Loeb, Jacques, 1859 -1924 (Putnam, 1916)

The organism as a whole : from a physicochemical viewpoint - Loeb, Jacques, 1859 -1924 (G. P. Putnam's sons, 1916)

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

Les organismes vivants de l'atmosphere - Miquel, Pierre, 1850 -1922 (Gauthier-Villars, 1883)

The origin of life; being an account of experiments with certain superheated saline solutions in hermetically sealed vessels - Bastian, H. Charlton (Henry Charlton), 1837 -1915 (Watt & co, 1911)

Outlines of bacteriology (technical and agricultural) - Ellis, David, 1874 -1937 (Longmans, Green, and co, 1909)

Outlines of bacteriology (technical and agricultural) - Ellis, David, 1874 -1937 (Longmans, Green and co, 1909)

Outlines of botany for the high school laboratory and classroom : (based on Gray's Lessons in botany) - Gray, Asa, 1810 -1888 (American Book Company, 1901)

Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) Prepared at the request of the Botanical Dept. of Harvard University - Gray, Asa, 1810 -1888 (American Book Co, 1901)

Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) - Leavitt, Robert Greenleaf, 1865 - (American Book Co, 1901)

Outlines of British fungology; containing characters of above a thousand species of Fungi, and a complete list of all that have been described as natives of the British Isles - Berkeley, M. J. (Miles Joseph), 1803 -1889 (L. Reeve, 1860)

Outlines of classification and special morphology of plants - Goebel, K. (Karl), 1855 -1932 (Clarendon Press, 1887)

Outlines of classification and special morphology of plants - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1887)

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 physiology : human and comparative - Royal College of Physicians of Edinburgh. (Longmans, Green, 1867)

Outlines of physiology, human and comparative - Marshall, John, 1818 -1891 (Lea, 1868)

Outlines of plant life : with special reference to form and function - Barnes, Charles Reid, 1858 -1910 (Henry Holt and Company, 1900)

Outlines of practical histology - Rutherford, William. (Churchill, 1876)

Outlines of practical histology : a manual for students - Stirling, William, 1851 -1932 (P. Blakiston, Son & Co, 1893)

Overzicht der ziekten en beschadigingen van het blad bij Deli-tabak - Hunger, F. W. T. (Friedrich Wilhelm Tobias), 1874 -1952 (G. Kolff & Co, 1901)

Oxford gardens, based upon Daubeny's Popular guide to the physick garden of Oxford: with notes on the gardens of the colleges and on the University park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker & son; [etc., etc.], 1912)

Oxidation-reduction potentials in bacteriology and biochemistry - Hewitt, L. F. (Williams and Wilkins, 1950)

Ozone in relation to storage of apples - Schomer, Harold A., 1906 - (U.S. Dept. of Agriculture, 1948)

Pacific science - University of Hawaii. (University Press of Hawaii, 1967)

Palaeontographica (Theodor Fischer, 1914)

Palladin's Plant physiology - Hopping, Aleita, 1890 - (P. Blakiston's son, 1926)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

Pamphlets - Council for Scientific; Industrial Research (Australia) (Govt. Printer, 1918)

Pamphlets on forestry in Nebraska (1900)

Pamphlets on silviculture (1899)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1947)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1988)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1993)

Papers in marine biology and oceanography (Pergamon Press, 1955)

Papers on bacteriology and allied subjects - Russell, H. L. (Harry Luman), 1866 -1954 (1921)

Papers on bacteriology and allied subjects, by former students of Harry Luman Russell - Russell, H. L. (Harry Luman), 1866 -1954 (1921)

Papers presented at the Celebration of the Twentieth Anniversary of the New York Botanical Garden, September 6-9, 1915. Published by the aid of the David Lydig Fund, bequethed by Charles P. Daly - New York Botanical Garden (1916)

I parassiti vegetali delle piante coltivate od utili - Ferraris, Teodoro. (Sineo & Bo, 1913)

Partial syllabic lists of the clinical morphologies of the blood, sputum, feces, skin, urine, vomitus, foods : including potable waters, ice and the air, and the clothing (after Salisbury) - Cutter, Ephraim, 1832 -1917 (The Ariston, 1888)

Pasteur et le transformisme - Blaringhem, Louis, 1878 -1958 (Masson et cie, 1923)

Pasteur; the history of a mind - Duclaux, Emile, 1840 -1904 (W.B. Saunders company, 1920)

Pasteur; the history of a mind - Duclaux, Emile, 1840 -1904 (W. B. Saunders Co, 1920)

Pasteur : the history of a mind - Duclaux, Emile, 1840 -1904 (W.B. Saunders, 1920)

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)

Pathological mycology; an enquiry into the etiology of infective diseases, section 1. Methods - Hare, Arthur W. (Pentland, 1885)

Pathological mycology; an enquiry into the etiology of infective diseases - Hare, Arthur W. (Young J. Pentland, 1885)

A pathological survey of the Para rubber tree (Hevea brasiliensis) in the Amazon Valley - Weir, James R. (James Robert), 1882 -1943 (U.S. Dept. of Agriculture, 1926)

Pathologie interne - Cadéac, Célestin, 1858 -1952 (J.B. Baillière, 1909)

Patologia vegetale. Fanerogame parassite, mixomiceti, bacterii, ifomiceti od eumiceti (funghi) - Voglino, Pietro. (Unione tipografico-editrice [Gia ditta Pomba e c], 1905)

The Peanut, the unpredictable legume; a symposium - Arant, F. S. (Frank Selman), 1904 - (National Fertilizer Association, 1912)

Perspectives and horizons in microbiology, a symposium - Waksman, Selman A. (Selman Abraham), 1888 -1973 (Rutgers University Press, 1955)

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