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The David Rumsey Collection includes 18th and 19th century historical North and South American atlases, globes, school geographies, maritime charts, and separate maps including wall, pocket, and manuscript. Historic maps of the World, Europe, Asia, a...

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Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...

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