Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1967)

Plant sturdy seeds. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1919)

Plant sturdy seeds : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1920)

Plantae Hasslerianae, soit énumération des plantes recoltées au Paraguay par le dr. Emile Hassler ... - Chodat, R. (Robert), 1865 -1934 (Impr. Romet, 1898)

Plantarum vascularium genera :secundum ordines naturales digesta eorumque differentiae et affinitates tabulis diagnostacis expositae - Weidmann. (Libraria Weidmannia, 1836)

Plants of the Arizona chaparral - Carmichael, R. S. (Robert S.) (Rocky Mountain Forest and Range Experiment Station, 1979)

Platt's catalogue of farm, garden and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1914)

Platt's general catalogue for 1912 : farm, garden and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1912)

Platt's seed annual. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1916)

Platt's seed annual : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1915)

Platt's seed annual : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1923)

Platt's seed annual : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Frank S. Platt Co.], 1924)

Platt's seed annual : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Frank S. Platt Co.], 1925)

Platt's seed annual : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Frank S. Platt Co.], 1926)

Platt's seed book for 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1911)

Platt's seeds, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1930)

Platt's seeds, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1934)

Platt's seeds, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1935)

Platt's seeds, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1938)

Platt's seeds, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1939)

Platt's seeds for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1931)

Platt's seeds for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1932)

Pleistocene mammals and paleoecology of the western Amazon - Rancy, Alceu, 1949 - (1991)

Pleistocene mammals from the Saskatchewan gravels in Alberta, Canada - Alberta Research Council. (University of Alberta, 1968)

A Pliocene chalicothere from Nebraska, and the distribution of chalicotheres in the late Tertiary of North America - Skinner, Morris F. (American Museum of Natural History, 1968)

Polychaetes & allies : the southern synthesis - Glasby, Christopher John (Environment Australia, 2000)

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)

A popular history of British zoophytes, or corallines - Landsborough, D. (David), 1779 -1854 (Reeve and co, 1852)

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, 1904)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1910)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1915)

Popular Science Review (1876)

A popular zoology - Jenks, J. W. P. 1819 -1894 (A.S. Barnes & Company, 1887)

Portefeuille des horticulteurs (J.-B. Gros, Rue du Foin Saint-Jacques, 18, 1847)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1979)

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, 1853)

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, 1851)

Practical lessons in science - Scovell, J. T. (Josiah Thomas), 1841 - (The Werner Co, 1895)

Practical photo-micrography: by the latest methods - Pringle, Andrew. (The Scovill & Adams company, 1890)

Practical taxidermy : a manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds : to which is added a chapter upon the pictorial arrangement of museums - Browne, Montagu (L. Upcott Gill, 1884)

Preliminary wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Crosman Bros. Co, 1895)

Preliminary wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Crosman Bros. Co, 1894)

Preliminary wholesale price-list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1896)

Price list : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Briggs Bros. & Co, 1915)

Price list : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Briggs Bros. & Co, 1916)

Price list to catalogue of Jos. F. Dickmann Seed Co.'s reliable seeds for 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jos. F. Dickmann Seed Co, 1898)

Priced catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lincoln I. Neff, 1901)

Priced catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lincoln I. Neff, 1900)

The primary factors of organic evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (The Open court publishing company, 1904)

The primary factors of organic evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (Open Court Pub. Co, 1904)

The primary factors of organic evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (The Open Court Publishing Company, 1896)

Prince catalogue - Wm. R. Prince & Co. (Wm. R. Prince & Co)

Principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill, 1920)

Principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill book company, inc, 1946)

The principles of biology, by J. I. Hamaker - Hamaker, John Irvin, 1869 - (P. Blakiston, 1913)

The principles of biology - Hamaker, J. I. (John Irvin), 1869 - (P. Blakiston's Sons & Co, 1913)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W. B. Saunders Company, 1917)

Principles of economic zoo̤logy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W.B. Saunders, 1915)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W. B. Saunders company, 1912)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W. B. Saunders, 1917)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W.B. Saunders, 1912)

Principles of modern biology - Marsland, Douglas, 1899 - (Holt, Rinehart and Winston, 1899)

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

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

Principles of zoölogy : a guide for beginners - Schiedt, Richard Francis Conrad, 1859 -1951 (Examiner Printing House, 1892)

Problems of American geology; a series of lectures dealing with some of the problems of the Canadian shield and of the Cordilleras - Walcott, Charles D. (Charles Doolittle), 1850 -1927 (Yale University Press; [etc., etc.], 1915)

Proboscidea : a monograph of the discovery, evolution, migration and extinction of the mastodonts and elephants of the world - Osborn, Henry Fairfield, 1857 -1935 (Published on the J. Pierpont Morgan Fund by the trustees of the American Museum of Natural History, 1936)