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Pacific seabirds : a publication of the Pacific Seabird Group - Pacific Seabird Group. (The Group, 1996)

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Painter's Florida and Cuban almanac, 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.O. Painter Fertilizer Co, 1909)

Palaeontographica. Supplement (Theodor Fischer, 1880)

Palaeontographica (Theodor Fischer, 1885)

Palaeontographica (Theodor Fischer, 1899)

Palaeontology - Palaeontological Association (Palaeontological Association, 1966)

Palaeontology - Palaeontological Association (Palaeontological Association, 1972)

Palaeontology - Palaeontological Association (Palaeontological Association, 1995)

Paläontologische Untersuchungen. Erster Theil - Semper, Johann Otto ([éditeur inconnu],, 1861)

Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 1997)

The paleontology of the Zorritos formation of the north Peruvian oil fields - Spieker, Edmund M. (Edmund Maute), 1895 - (Johns Hopkins Press, 1922)

The paleontology of the Zorritos formation of the north Peruvian oil fields - Spieker, Edmund M. (Edmund Maute), 1895 - (The Johns Hopkins Press, 1922)

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

Palmer's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1931)

Palmer's seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1932)

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

Pamphlets on forestry. Grazing (1900)

Pamphlets on forestry in West Virginia (1900)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1984)

Paper on a collection of fossils from Springvale, near Couva, Trinidad - Agricultural Society of Trinidad; Tobago. (Agricultural Society of Trinidad and Tobago, 1910)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1918)

Parrys' Pomona Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Parrys' Pomona Nurseries, 1900)

Parrys' Pomona Nurseries : fall, 1897 - Parry, John R. (Parrys' Pomona Nurseries, 1897)

Parsons on the rose, a treatise on the propagation, culture, and history of the rose - Parsons, Samuel Bowne, 1819 -1906 (Orange Judd, 1883)

The pastoral review (Wool Exchange, 1921)

A Pasture handbook - Semple, Arthur T. 1895 - (U.S. Dept. of Agriculture, 1934)

Pedigrees of English Short-horn bulls, to which American Short-horns trace - Allen, Lewis F. (Lewis Falley), 1800 -1890 (Warren, Johnson, 1874)

Pennsylvania farm journal - Darlington, J. L. (A.M. Spangler, 1851)

The Pennsylvania farm journal (A.M. Spangler, 1851)

Pennsylvania farm journal - Darlington, J. L. (A.M. Spangler, 1852)

Pennsylvania farm journal - Darlington, J. L. (A.M. Spangler, 1853)

Pennsylvania farm journal - Darlington, J. L. (A.M. Spangler, 1854)

Pennsylvania farm journal - Darlington, J. L. (A.M. Spangler, 1855)

Pennsylvania State Horticultural Association news - State Horticultural Association of Pennsylvania. (The Association, 1924)

Pennsylvania vegetable growers' news - Pennsylvania Vegetable Growers' Association. (Pennsylvania Vegetable Growers' Association, 1937)

The Penokee iron-bearing series of Michigan and Wisconsin - Van Hise, Charles Richard, 1857 -1918 (U.S. Govt. Print. Off, 1892)

The people's horse, cattle, sheep, and swine doctor : containing ... concise descriptions of the diseases of the respective animals, with the exact doses of medicine for each - Clarke, William H. (M.T. Richardson Co, 1892)

The Perry Seed Store : seeds, bulbs, hardware, implements, drain tile, tin shop - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Ebeling, 1898)

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