"Locusts." . . . . . . . "The locust plague in the United States: being more particularly a treatise on the Rocky Mountain locust or so-called grasshopper"@en . . . . . . . "The locust plague in the United States ... treatise on the ... so-called grasshopper, as it occurs east of the Rocky Mountains, with practical recommendations for its destruction"@en . "Locust plague in the United States being more particularly a treatise on the Rocky Mountain locust or so-called grasshopper, as it occurs east of the Rocky Mountains, with practical recommendations for its destruction"@en . . . . "The locust plague in the United States: being more particularly a treatise on the Rocky Mountain locust or so-called grasshopper, as it occurs east of the Rocky Mountains, with practical recommendations for its destruction" . "The locust plague in the United States: being more particularly a treatise on the Rocky Mountain locust or so-called grasshopper, as it occurs east of the Rocky Mountains, with practical recommendations for its destruction"@en . "Electronic books"@en .