The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1910)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1911)

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

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

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, 1921)

Philosophia botanica - Linné, Carl von, 1707 -1778 (P. Marin, 1792)

Philosophia botanica : in qua explicantur fundamenta botanica cum definitionibus partium, exemplis terminorum, observationibus rariorum, adiectis figuris aeneis - Linné, Carl von, 1707 -1778 (Typis Joannis Thomae Trattner, 1755)

Philosophia botanica : in qua explicantur fundamenta botanica cum definitionibus partium, exemplis terminorum, observationibus rariorum, adjectis figuris aeneis - Linné, Carl von, 1707 -1778 (apud Godofr. Kiesewetter, 1751)

Philosophia botanica, in qua explicantur fundamenta botanica cum definitionibus partium, exemplis terminorum, observationibus rariorum, adjectis figuris aeneis - Linné, Carl von, 1707 -1778 (Typis J.T. Trattner, 1763)

Philosophia botanica in qua explicantur fundmenta botanica cum definitionibus partium, exemplis terminorum observationibus rariorum. Adiectis figuris aeneis - Linné, Carl von, 1707 -1778 (C.F. Himburgi, 1780)

The Philosophical magazine and journal : comprehending various branches of science, the liberal and fine arts, agriculture, manufactures, and commerce (R. Taylor, 1815)

The Philosophical magazine : or Annals of chemistry, mathematics, astronomy, natural history and general science (Richard Taylor and Co, 1829)

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, 1700)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1713)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1714)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1735)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1742)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1749)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1751)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1761)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1763)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1767)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1768)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1662)

Philosophie botanique de Charles Linné ... : dans laquelle sont expliqués les fondements de la botanique : avec les définitions de ses parties, les exemples des termes, des observations sur les plus rares ... - Linné, Carl von, 1707 -1778 (Cailleau, 1788)

Photographisches Album der Flora Oesterreichs, zugleich ein Handbuch zum Selbstunterricht in der Pflanzenkunde - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (W. Braumüller, 1864)

Photosynthesis and related processes - Rabinowitch, Eugene, 1901 - (Interscience Publishers, inc, 1945)

Photosynthesis - Hill, Robert, SC.D. (Methuen, 1955)

Physica sacra - Scheuchzer, Johann Jakob, 1672 -1733 (Christian Ulrich Wagner], 1731)

The physical basis of heredity - Morgan, Thomas Hunt, 1866 -1945 (Lippincott, 1919)

Physiographie der Medicinal-Pflanzen : nebst einem Clavis zur Bestimmung der Pflanzen mit besonderer Berücksichtigung der Nervation der Blätter - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (W. Braumüller, 1862)

Physiological botany; I. Outlines of the histology of phaenogamous plants; II. Vegetable physiology - Goodale, George L. (George Lincoln), 1839 -1923 (Ivison, Blakeman, Taylor, 1885)

Physiological botany; I. Outlines of the histology of phænogamous plants. II. Vegetable physiology - Goodale, George L. (George Lincoln), 1839 -1923 (American Book Co, 1885)

Physiological plant anatomy - Haberlandt, Gottlieb, 1854 -1945 (Macmillan and Co, 1914)

Physiological plant anatomy - Haberlandt, Gottlieb, 1854 -1945 (MacMillan, 1914)

Die natürlichen Pflanzensysteme geschichtlich entwickelt - Zunck, Hermann Leopold. (Hinrichs, 1840)

Physiologie - Richet, Charles Robert, 1850 -1935 (Alcan, 1893)

Physiologische Pflanzenanatomie - Haberlandt, Gottlieb, 1854 -1945 (W. Engelmann, 1904)

Physiologische Untersuchungen - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1873)

Physiology at the farm in aid of rearing and feeding the live stock - Stephens, Henry, 1795 -1874 (W. Blackwood, 1867)

Physiology at the farm in aid of rearing and feeding the live stock - Seller, William, 1798 -1869 (W. Blackwood and sons, 1867)

The physiology of flowering - Hillman, William S. (Holt, Rinehart and Winston, 1962)

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)

Physiotypia plantarum austriacarum. Der naturselbstdruck in seiner anwendung auf die gefässpflanzen des österreichischen kaiserstaates, mit besonderer berücksichtigung der nervation in der flächenorganen der pflanzen - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (1856)