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Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1928)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1975)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1878)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1880)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1882)

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Prodromus florae Novae-Hollandiae et Insulae van-Diemen : exhibens characteres plantarum - Brown, Robert, 1773 -1858 (Veneunt a reductione Isidis, 1821)

Prodromus florae Novae Hollandiae et Insulae Van-Diemen : exhibens characteres plantarum - Brown, Robert, 1773 -1858 (Sumtibus L. Schrag, 1827)

Prodromus florae Novae Hollandiae et Insulae Van-Diemen, exhibens characteres plantarum - Brown, Robert, 1773 -1858 (typis R. Taylor et socii, 1810)

Prodromus florae Novae Hollandiae et Insulae Van-Diemen, exhibens characteres plantarum - Brown, Robert, 1773 -1858 (Typis R Taylor, veneunt apud J. Johnson, 1810)

Prodromus floræ Novæ Hollandiæ et Insulæ Van-Diemen : exhibens characteres plantarum quas annis 1802-1805 - Brown, Robert, 1773 -1858 (typis R. Taylor et socii, 1810)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1847)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1848)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1866)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1873)

Programa de un curso de zoologia - Dugès, Alfredo (Imprenta del Estado a cargo de Justo Palencia, 1878)

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Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1900)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1921)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1922)

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Recensio avium in academici liberi baronis de Mueller ornithologico museo stuttgardiano collectarum - Calwer, C. G. (Carl Gustav), 1821 -1874 (Officinae Regiae, 1854)

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Répertoire des noms génériques mentionnés dans l'Index kewensis et ses quinze premiers suppléments = Guide to the generic names appearing in the Index Kewensis and its fifteen supplements = Repertorio de los nombres genericos enumerados en el Index Kewensis y sus quince suplementos = Repertorium der im Index Kewensis und seinen fuenfzehn ersten Supplementen erwaehnten Gattungsnamen - Rouleau, Ernest 1916 -1991 (Châtelain, 1981)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1844)

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Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1917)

Report of a reconnaissance from Carroll, Montana Territory, on the upper Missouri, to the Yellowstone National Park, and return, made in the summer of 1875 - Ludlow, William, 1843 -1901 (Govt. Print. Off, 1876)

Report of explorations across the Great Basin of the territory of Utah : for a direct wagon-route from Camp Floyd to Genoa in Carson Valley in 1859 - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1876)

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Report of the Hudson's Bay expedition of 1886 under the command of Lieut. A.R. Gordon, R.N - Canada. Department of Marine; Fisheries. (s.n, 1887)

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Report on the birds of Minnesota - Hatch, Philo L., 1823 -1904 (1874)

Report on the geology and resources of the region in the vicinity of the forty-ninth parallel, from the Lake of the Woods to the Rocky Mountains - Dawson, George Mercer, 1849 -1901 (Dawson, 1875)

Report on the plants collected during Mr. Babbage's expedition into the north-western interior of South Australia in 1858 - Mueller, Ferdinand von, 1825 -1896 (Government Printer, 1859)

Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior - Emory, William H. 1811 -1887 (C. Wendell, printer, 1859)

Report on the work of the Horn Scientific Expedition to Central Australia - Horn, William Austin, 1841 -1922 (Dulau, 1896)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1875)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1858)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1859)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1860)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1903)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1901)