The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1875)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1882)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1890)

Popular Science Review (1863)

Popular Science Review (1864)

Popular Science Review (1869)

Popular Science Review (1874)

Popular Science Review (1876)

Popular Science Review (1878)

The potato in farm and garden : with chapters on disease and special cultures - Fremlin, R. ('Farm & Home' Office, 1883)

The potato in field and garden - Malden, Walter James, 1857 - (W.A. May, 1895)

The potato plague in Ireland 1890, being a series of letters contributed to 'The Scotsman' - Macdonald, James, 1852 -1913 (Blackwood, 1890)

The pottery and ceramics of David and Hermia Boyd - Vader, John. (Phillip Mathews, 1977)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1884)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1894)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1901)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1911)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1911)

The practical fruit grower - Maynard, Samuel T. (Samuel Taylor), 1844 -1923? (Phelps Pub. Co, 1886)

The practical fruit grower - Maynard, Samuel T. (Samuel Taylor), 1844 -1923? (The Phelps Publishing Company, 1894)

Practical microscopy - Davis, George E. (George Edward), 1907 (D. Bogue, 1882)

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

A preliminary list of the parasitic fungi of Idaho - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1936)

The present status of the tobacco blue-mold (peronospora) disease in the Georgia-Florida district - Smith, Erwin F. (Erwin Frink), 1854 -1927 (U.S. Dept. of Agriculture, 1921)

President's Address, Papers & Reports / West Kent Natural History, Microscopical & Photographic Society - West Kent Natural History Microscopical; Photographic Society. (1872)

Principles of plant culture; an elementary treatise designed as a text-book for beginners in agriculture and horticulture - Goff, E. S. (Emmett Stull), 1852 -1902 (The Author, 1899)

Principles of plant culture; an elementary treatise designed as a text-book for beginners in agriculture and horticulture - Goff, E. S. (Emmett Stull), 1852 -1902 (University Co-operative Co, 1912)

Principles of plant culture; an elementary treatise designed as a text-book for beginners in agriculture and horticulture - Goff, E. S. (Emmett Stull), 1852 -1902 (The author, 1897)

Principles of plant culture; an elementary treatise designed as a text-book for beginners in agriculture and horticulture - Goff, E. S. (Emmett Stull), 1852 -1902 (1897)

Principles of plant culture; an elementary treatise designed as a text-book for beginners in agriculture and horticulture - Goff, E. S. (Emmett Stull), 1852 -1902 (University Co-operative Co, 1906)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1915)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1916)

The principles of vegetable-gardening - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1921)

Proceedings. - Entomological Society of Ontario. (1887)

Proceedings - Dorset Natural History; Archaeological Society.

Proceedings (and Annual Report) of the Holmesdale Natural History Club, Reigate - Holmesdale Natural History Club. (1865)

Proceedings and transactions of the Natural History Society of Glasgow - Natural History Society of Glasgow. (The Society, 1889)

Proceedings and transactions of the Natural History Society of Glasgow - Natural History Society of Glasgow. (The Society, 1892)

Proceedings - Cambridge Philosophical Society. Mathematical and physical sciences - Cambridge Philosophical Society. (Cambridge Philosophical Society [etc.], 1886)

Proceedings - Cambridge Philosophical Society. Mathematical and physical sciences - Cambridge Philosophical Society. (Cambridge Philosophical Society [etc.], 1889)

Proceedings - Dorset Natural History and Archaeological Society - Dorset Natural History; Archaeological Society. (1877)

Proceedings, International conference on plant breeding and hybridization, 1902, held in the rooms of the American Institute of the City of New York and in the Museum building of the New York Botanical Garden, September 30 and October 1 and 2 (1904)

Proceedings of a convention of fruit growers of the Dominion of Canada held at Ottawa on the 19th, 20th and 21st February, 1890 - Convention of fruit growers, Ottawa, Canada. (Printed by Brown Chamberlin, 1890)

Proceedings of a Convention of Fruit Growers of the Dominion of Canada held at Ottawa on the 19th, 20th and 21st February, 1890 (B. Chamberlin, 1890)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1886)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1891)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1892)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1903)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1882)

Proceedings of the Bath Natural History and Antiquarian Field Club - Bath Natural History; Antiquarian Field Club. (1874)

Proceedings of the Bath Natural History and Antiquarian Field Club - Bath Natural History; Antiquarian Field Club. (1878)

Proceedings of the Bath Natural History and Antiquarian Field Club - Bath Natural History; Antiquarian Field Club. (1886)

Proceedings of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1874)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1886)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1890)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1903)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1888)

Proceedings of the Davenport Academy of Natural Sciences - Davenport Academy of Natural Sciences. (Academy of Natural Sciences [etc.], 1897)

Proceedings of the Fifth Annual Session of the National Agricultural Congress, at Philadelphia, Pa., September 12th, 13th and 14th, 1876 (Prairie Farmer Company, Printers, 1877)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1907)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1904)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1915)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1914)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1918)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1919)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1922)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1907)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1908)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1909)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1910)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1918)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1920)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1921)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1875)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1866)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1886)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1913)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1926)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1927)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1935)

Proceedings of the National Academy of Sciences of the United States of America - National Academy of Sciences (U.S.) (National Academy of Sciences [etc.], 1917)

Proceedings of the Natural history society of Dublin for the session ... - Natural History Society of Dublin. (Printed for the Society, 1878)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1878)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1880)

Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1880)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1909)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1911)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1914)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1917)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1876)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1881)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1889)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1931)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1895)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1950)

Proceedings of the ... session of the American Pomological Society - American Pomological Society. (The Society, 1885)

Proceedings of the ... session of the American Pomological Society - American Pomological Society. (The Society, 1889)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1904)

Proceedings of the Yorkshire Geological and Polytechnic Society - Yorkshire Geological; Polytechnic Society. (Yorkshire Geological and Polytechnic Society, 1889)

Procès-verbaux - Société Linnéenne de Bordeaux. (1895)

Prodrome de la flore Belge - Wildeman, E. de (Emile), 1866 -1947 (Alfred Castaigne, 1898)