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1. Protecting America's economy, environment, health, and security against invasive species requires a strong federal program in systematic biology (id:29366)

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2. A review of selected species of Lymantria Hübner (1819) (Lepidoptera: Noctuidae: Lymantriinae) from subtropical and temperate regions of Asia, including the descriptions of three new species, some potentially invasive to North America (id:45484)

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3. Forest descriptions and photographs of forested areas along the Breaks of the Missouri River in eastern Montana, USA (id:438)

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4. Vascular flora of the Fernow Experimental Forest and adjacent portions of the Otter Creek Wilderness Area (id:33010)

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5. A catalog of the Coleoptera of America north of Mexico : family Curculionidae (id:CAT10829355)

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6. A catalog of the Coleoptera of America north of Mexico : family: Pselaphidae (id:CAT10826392)

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7. Chewing and sucking lice as parasites of mammals and birds (id:CAT10838407)

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8. Dwarf mistletoes : biology, pathology, and systematics (id:CAT10753457)

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9. A catalog of the Coleoptera of America north of Mexico : family: Curculionidae, subfamily: Erirhininae (id:CAT10823903)

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10. Processed food trade concordance : an Economic Research Service report (id:CAT10714101)

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11. A catalog of the Coleoptera north of Mexico : family Nemonychidae (id:CAT10665765)

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12. A catalog of the Coleoptera of America north of Mexico : family: Ithyceridae (id:CAT10692991)

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13. A catalog of the Coleoptera of America north of Mexico (id:CAT30986943)

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14. A catalog of the Coleoptera of America north of Mexico : family--Silphidae (id:CAT10657206)

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15. A revision of the subfamily Criocerinae (Chrysomelidae) of North America north of Mexico (id:CAT93500709)

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16. A catalog of the Coleoptera of America North of Mexico : family: Allocorynidae (id:CAT92960832)

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17. A catalog of the Coleoptera of America North of Mexico : family Scarabaeidae, Subfamilies: Rutelinae and Dynastinae (id:CAT92960706)

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18. A catalog of the Coleoptera of America north of Mexico : family: Byturidae (id:CAT92960831)

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19. A catalog of the Coleoptera of America north of Mexico : family: Curculionidae, subfamily: Pissodinae (id:CAT89901311)

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20. Drill (mandrillus leucophaeus) (id:7113546)