The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1862)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1847)

Phytoneuron (Guy L. Nesom, 2011)

The pictorial museum of animated nature - Knight, Charles, 1791 -1873 (C. Cox, 1844)

Pinax Theatri botanici Caspari Bauhini : ... sive Index in Theophrasti, Dioscoridis, Plinii et botanicorum qui à seculo scripserunt opera: plantarum circiter sex millium ab ipsis exhibitarum nomina cum earundem synonymiis & differentiis methodicè secundùm earum & genera & species proponens. Opus XL. annorum hactenus non editum summoperè expetitum & ad auctores intelligendos plurimùm faciens ... - Bauhin, Caspar, 1560 -1624 (sumptibus et typis Ludovici Regis, 1623)

Pinegrass, an important forage in interior B.C - Quinton, Dee A. (Research Branch, Agriculture Canada, 1986)

The pipe roll of the bishopric of Winchester for the fourth year of the pontificate of Peter des Roches, 1208-1209 - Church of England. Diocese of Winchester. (P. S. King & son, for the London school of economics and political science, 1903)

The plain truth about seed. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McVay Seed & Floral Co, 1916)

The plain truth about seed. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McVay Seed & Floral Co, 1917)

The plain truth about seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McVay Seed Co, 1913)

Plankton of the offshore waters of the Gulf of Maine - Bigelow, Henry B. (Henry Bryant), 1879 -1967 (Govt. Print. Off, 1926)

Plant bugs on fruit crops in Canada : Heteroptera: Miridae - Kelton, Leonard A. (Research Branch, Agriculture Canada, 1982)

Plant life of Alabama : an account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state - Mohr, Charles (Charles Theodore), 1824 -1901 (Brown Printing Co, 1901)

Plant list, Newfoundland, July-August 1921 - Mackenzie, Kenneth K. (Kenneth Kent), 1877 -1934 (1921)

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

The Plant world - Plant World Association. (Plant World Association [etc.], 1919)

Plantae Europeae.Enumeratio systematica et synonymica plantarum phaenerogamicarum in Europa sponte crescentium vel mere inquilinarum - Richter, Karl, 1855 -1891 (W. Engelmann, 1890)

Plantarum, seu, Stirpium historia - L'Obel, Matthias de, 1538 -1616 (Ex officina Christophori Plantini, 1576)

The planter's guide; A practical essay on the best method of giving immediate effect to wood, by the transplanting of large trees and underwood - Steuart, Henry, Sir, 1759 -1836 (W. Blackwood and sons, 1848)

The planter's kalendar - Nicol, Walter. (Printed by D, Willison for A. Constable and company; [etc., etc.], 1812)

The planter's kalendar; or, The nurseryman's & forester's guide, in the operations of the nursery, the forest, and the grove - Nicol, Walter. (Printed by David Willison for Archibald Constable and Company, Edinburgh, 1812)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1986)

The plants of Prince Edward Island - Erskine, D. S. (David Sterling) (Plant Research Institute, Research Branch, Canada Dept. of Agriculture, 1960)

The plants of Prince Edward Island - Erskine, D. S. (David Sterling) (Research Branch, Agriculture Canada, 1985)

Plants, seeds, and currents in the West Indies and Azores; the results of investigations carried out in those regions between 1906 and 1914 - Guppy, H. B. (Henry Brougham), 1854 -1926 (Williams and Norgate, 1917)

Pleasures of angling with rod and reel for trout and salmon - Dawson, George, 1813 -1883 (Sheldon & company, 1876)

The Plough, the loom and the anvil - Skinner, John S. (John Stuart), 1788 -1851 (J.S. Skinner, 1848)

The Plough, the loom, and the anvil (J.S. Skinner & Son], 1848)

Plum culture and district lists of plums suitable for Canada with descriptions of varieties - Dominion Experimental Farms; Stations (Canada) (Dept. of Agriculture, 1913)

The plum curculio - Jenne, Eldred Llewellyn, (Govt. print. off, 1912)

The poet Gray as a naturalist : with selections from his notes on the Systema naturae of Linnaeus, and facsimiles of some of his drawings - Merrymount Press. (Charles E. Goodspeed, 1903)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 2007)

The polar and tropical worlds a description of man and nature in the polar and equatorial regions of the globe : two volumes in one : embracing also an account of the expeditions of all the Arctic explorers from the discovery of Iceland, over one thousand years ago, to Hall's last expedition in the northern world, together with the wonderful discoveries and adventures of Agassiz, Livingstone, Wallace, and other distinguished travelers in the tropical countries - Hartwig, G. (Georg), 1813 -1880 (J.W. Lyon, 1874)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (J.W. Lyon, 1874)

The polar and tropical worlds: a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Johnson & McClain, 1871)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (A. L. Bancroft, 1871)

The polar world: a popular description of man and nature in the Arctic and Antarctic regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Harper & Brothers, 1869)

Pollen studies in the Crusoe Lake area of prehistoric Indian occupation - Cox, Donald D. (University of the State of New York, 1965)

Polychlorinated biphenyl hazards to fish, wildlife, and invertebrates : a synoptic review - U.S. Fish; Wildlife Service (The Service, 1986)

The Popular educator: a complete encyclopaedia of elementary, advanced and technical education (Cassell, 1888)

The popular encyclopedia; being a general dictionary of arts, sciences, literature, biography, history, and political economy, reprinted from the American edition of the "Conversations lexicon" ... with dissertations on the rise and progress of literature (Blackie, 1900)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1887)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1888)

Popular gardening for town and country (Popular Gardening Pub. Co, 1888)

A popular handbook of the birds of Canada and the United States - Nuttall, Thomas, 1786 -1859 (Musson Book Co, 1903)

A popular handbook of the birds of the United States and Canada - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1903)

A popular handbook of the birds of the United States and Canada - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1905)

A popular handbook of the birds of the United States and Canada - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1921)

A popular handbook of the ornithology of eastern North America - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1891)

A popular handbook of the ornithology of eastern North America - Nuttall, Thomas, 1786 -1859 (Little, Brown, and Company, 1896)

A popular handbook of the ornithology of eastern North America - Nuttall, Thomas, 1786 -1859 (Little, Brown, and Company, 1897)

A popular handbook of the ornithology of the United States and Canada, based on Nuttall's Manual - Nuttall, Thomas, 1786 -1859 (Little, Brown, and Company, 1891)

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, 1879)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1881)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1883)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1872)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1884)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1885)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1896)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1898)

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, 1903)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1906)

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

Popular Science Review (1878)

Portraits and habits of our birds - Pearson, T. Gilbert (Thomas Gilbert), 1873 -1943 (National association of Audubon societies, 1921)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1967)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1968)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1998)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1999)

Poultry fancier (Poultry Fancier Pub. Co, 1908)

The powers of the Creator displayed in the creation; or, Observations on life amidst the various forms of the humbler tribes of animated nature - Dalyell, John Graham, 1775 -1851 (J. Van Voorst, 1858)

Practical artificial incubation. A resumé of the progress made in the past few years in artificial incubation in this country and Europe - Ferris, J. F. (Ferris publishing company, 1880)

A practical flora for schools and colleges - Willis, Oliver R. (Oliver Rivington), 1815 -1902 (American Book Co, 1894)

Practical forestry. A treatise on the propagation, planting, and cultivation, with a description, and the botanical and popular names of all the indigenous trees of the United States - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd company, 1884)

Practical forestry. A treatise on the propagation, planting and cultivation, with a description, and the botanical and popular names of all the indigenous trees of the United States - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd Co, 1884)

A practical handbook of British birds - Witherby, H. F. (Harry Forbes), 1873 -1944 (Witherby, 1921)

The practical home farmer, a popular guide for the farm and fireside - Munroe, F. L., (Union printing company, 1886)

A practical treatise on the hive and honey-bee - Langstroth, L. L. (Lorenzo Lorraine), 1810 -1895 (C. M. Saxton, Barker, 1860)

The practice of forestry - Michie, Christopher Young. (W. Blackwood and sons, 1888)

A preliminary catalog of the birds of Missouri - Widmann, Otto (Academy of Science of St. Louis, 1907)

A preliminary catalog of the birds of Missouri - Widmann, Otto (Academy of Sciences of St. Louis?, 1907)

A preliminary report on the Treaty of Reciprocity with Great Britain, to regulate the trade between the United States and the provinces of British North America - Derby, E. H. (Elias Hasket), 1803 -1880 (Treasury Dept, 1866)

The preservation of fishery products for food - Stevenson, Charles Hugh, 1869 -1943 (Govt. print. off, 1899)

Presidential address the biological investigation of Canadian waters, with special reference to the government biological stations - Prince, Edward Ernest, 1858 -1936 (Printed for the author by the Royal Society of Canada, 1907)

Principles and methods involved in dehydration of apples - Canada. Department of Agriculture. (Dominion of Canada, Dept. of Agriculture, 1938)

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

Principles of geology - Lyell, Charles, Sir, 1797 -1875 (John Murray, 1837)

Principles of stratigraphy - Grabau, Amadeus W. (Amadeus William), 1870 -1946 (A.G. Seiler and company, 1913)

Problems of polar research; a series of papers by thirty-one authors - American Geographical Society of New York. (American geographical society, 1928)

Proceedings - Nova Scotian Institute of Science. (1866)

Proceedings - Essex Institute. (1856)

Proceedings. - Entomological Society of Ontario. (1887)

Proceedings and Report of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1921)

Proceedings and transactions of the Natural History Society of Glasgow - Natural History Society of Glasgow. (The Society, 1883)