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Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1880)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1886)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1886)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1896)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1896)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1925)

Report of the Chester Society of Natural Science, Literature and Art - Chester Society of Natural Science Literature; Art. (1873)

Report of the Chester Society of Natural Science, Literature and Art - Chester Society of Natural Science Literature; Art. (1873)

Report of the Chester Society of Natural Science, Literature and Art - Chester Society of Natural Science Literature; Art. (1873)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1889)

Report of the Geological Survey of Ohio - Geological Survey of Ohio. (Nevins & Myers, state printers, 1893)

Report of the geological survey of Ohio - Geological Survey of Ohio. (Nevins & Meyers, 1893)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1911)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1912)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1911)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1911)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1912)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1912)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1888)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1888)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1889)

Report / Warwickshire Natural History & Archaeological Society - Warwickshire Natural History; Archaeological Society. (1861)

Report / Warwickshire Natural History & Archaeological Society - Warwickshire Natural History; Archaeological Society. (1861)

Report / Warwickshire Natural History & Archaeological Society - Warwickshire Natural History; Archaeological Society. (1873)

Research in China - Walcott, Charles D. (Charles Doolittle), 1850 -1927 (Carnegie institution of Washington, 1913)

Research in China - Walcott, Charles D. (Charles Doolittle), 1850 -1927 (Carnegie institution of Washington, 1913)

Research in China - Walcott, Charles D. (Charles Doolittle), 1850 -1927 (Carnegie institution of Washington, 1913)

Return / British Museum - British Museum (Natural History) (British Museum, 1856)

Return / British Museum - British Museum (Natural History) (British Museum, 1856)

Return / British Museum - British Museum (Natural History) (British Museum, 1890)

Return / British Museum - British Museum (Natural History) (British Museum, 1891)

Return / British Museum - British Museum (Natural History) (British Museum, 1901)

Return / British Museum - British Museum (Natural History) (British Museum, 1901)

Return / British Museum - British Museum (Natural History) (British Museum, 1911)

Revision of the pseudoniscine merostome genus Cyamocephalus Currie - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the pseudoniscine merostome genus Cyamocephalus Currie - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revision of the suborder Synziphosurina (Chelicerata, Merostomata) : with remarks on merostome phylogeny - Eldredge, Niles (American Museum of Natural History, 1974)

Revue critique de paléozoologie et de paléophytologie (M. Cossman, 1897)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1903)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1912)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1913)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1918)

Revue des sciences naturelles (1872)

Revue des sciences naturelles (1879)

Revue des sciences naturelles (1879)

Revue générale des sciences pures et appliquées ([s.n.], 1920)

Revue internationale des sciences (O. Doin, 1878)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1904)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1904)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1904)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1904)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1904)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1905)

Rukovet palaeozoologie - Počta, Felip (Philipp), 1859 - (Nákladem eské akademie císae Frantika Josefa pro vdy, slovesnost a umní, 1905)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1907)

Science - American Association for the Advancement of Science. ([s.n.], 1896)

Science - American Association for the Advancement of Science. ([s.n.], 1897)

Science - American Association for the Advancement of Science. ([s.n.], 1900)

Science - American Association for the Advancement of Science. ([s.n.], 1903)

Science - American Association for the Advancement of Science. ([s.n.], 1909)

The science of biology - Weisz, Paul B., 1921 - (McGraw-Hill, 1963)

The science of biology - Weisz, Paul B., 1921 - (McGraw-Hill, 1963)

Science progress - Burdett, Henry C., Sir, 1847 -1920 (Scientific Press, 1895)

The Scientific monthly - American Association for the Advancement of Science. (American Association for the Advancement of Science [etc.])

The Scientific monthly - American Association for the Advancement of Science. (American Association for the Advancement of Science [etc.])

The Scientific monthly - American Association for the Advancement of Science. (American Association for the Advancement of Science [etc.])

Siluria. A history of the oldest rocks in the British Isles and other countries; with sketches of the origin and distribution of native gold, the general succession of geological formations, and changes of the earth's surface - Murchison, Roderick Impey, Sir, 1792 -1871 (J. Murray, 1872)

Siluria. A history of the oldest rocks in the British Isles and other countries; with sketches of the origin and distribution of native gold, the general succession of geological formations, and changes of the earth's surface - Murchison, Roderick Impey, Sir, 1792 -1871 (J. Murray, 1872)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1903)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1903)

Sitzungsberichte der Mathematisch-Physikalischen Klasse der Bayerischen Akademie der Wissenschaften zu München - Bayerische Akademie der Wissenschaften. Mathematisch-Physikalische Klasse. (Die Akademie, 1920)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1881)

Smithsonian contributions to paleobiology - Smithsonian Institution (Smithsonian Institution Press, 1993)

Smithsonian contributions to paleobiology - Smithsonian Institution (Smithsonian Institution Press, 1994)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1878)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1878)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1882)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1882)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1881)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1881)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1882)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1914)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1910)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1914)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1912)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1916)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1916)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1916)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1916)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1918)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1927)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1927)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1936)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1936)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1938)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1939)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1947)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1948)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1951)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1951)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1952)