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1by Gehlbach, Frederick R., 1935-Subjects: “...Natural history Southwestern States....”
Published 1981
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2
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3
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4Published 2000Subjects: “...Natural history Periodicals....”
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5
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6Published 2008Subjects: “...Natural history Spain Congresses....”
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7Published 2002Subjects: “...Natural history Periodicals. http://id.loc.gov/authorities/subjects/sh2008108329...”
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8Published 1981Subjects: “...Natural history Mexico....”
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9by Nieremberg, Juan Eusebio, 1595-1658Subjects: “...Natural history Pre-Linnean works....”
Published 1635
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10by Schaldach, William Joseph, 1896-1982Subjects: “...Natural history Southwest, New....”
Published 1963
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11Published 2010Subjects: “...Natural history Research Mexico Anecdotes....”
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13
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14by Aschmann, Homer, 1920-Subjects: “...Natural history Mexico Baja California....”
Published 1966
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15by Barco, Miguel del, 1706-1790Subjects: “...Natural history Mexico Baja California....”
Published 1973
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16by Johnson, William Weber, 1909-1992Subjects: “...Natural history Mexico Baja California....”
Published 1972
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17Published 1960Subjects: “...Natural history Mexico Sorocco Island....”
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18by Nelson, Edward William, 1855-1934Subjects: “...Natural history Mexico Baja California....”
Published 1966
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19
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20