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Proceedings of the expedition to explore the northern coast of Africa, from Tripoly eastward; in MDCCCXXI. and MDCCCXXII., comprehending an account of the Greater Syrtis and Cyrenaica; and of the ancient cities composing the pentapolis - Beechey, F. W. (Frederick William), 1796 -1856 (J. Murray, 1828)

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Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1879)

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Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1899)

Prodrome de paléontologie stratigraphique universelle des animaux mollusques & rayonnés, faisant suite au Cours élémentaire de paléontologie et de géologie stratigraphiques - Orbigny, Alcide Dessalines d', 1802 -1857 (V. Masson, 1849)

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Progress of science; its origin, course, promoters, and results - Marmery, J. Villin. (Chapman and Hall, ld, 1895)

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The protection of leaf vegetables, January 1979-April 1988 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept. of Agriculture, National Agricultural Library, 1988)

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The Pytchley Hunt : past and present, its history from its foundation to the present day; with personal anecdotes, and memoirs of the masters and principal members; including the woodlands; also unpublished letters of Sir F.B. Head, bart - Head, Francis Bond, Sir, 1793 -1875 (S. Low, Marston, Searle, & Rivington, 1888)

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