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1
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2Published 1984Subjects: “...Aquatic insects North America....”
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3Published 1978Subjects: “...Aquatic insects North America....”
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4Published 1996Subjects: “...Insects North America Classification....”
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5
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6
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7by Klots, Alexander B. (Alexander Barrett), 1903-1989Subjects: “...Insects North America....”
Published 1971
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8
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9by Howard, L. O. (Leland Ossian), 1857-1950Subjects: “...Insects North America....”
Published 1901
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10Published 1988Subjects: “...Insects North America....”
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11by Grote, Augustus Radcliffe, 1841-1903Subjects: “...Insects North America....”
Published 1882
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12by McCafferty, W. PatrickSubjects: “...Aquatic insects North America Identification....”
Published 1981
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13by McCafferty, W. PatrickSubjects: “...Aquatic insects North America Identification....”
Published 1983
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14
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15
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16by Timberlake, P. H. (Philip Hunter), 1883-1981Subjects: “...Insects North America....”
Published 1973
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18
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19
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20