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Incoming Resources
- The Oxford companion to world exploration, David Buisseret, editor in chief
- Encyclopedia of Chicago/, Chicago Historical Soceity, The Newberry Library and Northwestern University
- Maps, finding our place in the world, edited by James R. Akerman and Robert W. Karrow, Jr
- Lewis & Clark and the Indian country, the Native American perspective, edited by Frederick E. Hoxie and Jay T. Nelson
- The encyclopedia of Chicago, edited by James R. Grossman, Ann Durkin Keating, Janice L. Reiff ; cartographic editor, Michael P. Conzen