- Frye's Complete Geography....Maryland and Delaware Edition by Alexis Everett Frye, 1902
- Alfred Visits Delaware (Alfred Visits the United States of America) by Elizabeth O'Neill, 2010
- Wilmington: Geography and Climate: An entry from Gale's <i>Cities of the United States</i>
- Mid Atlantic: Delaware, Maryland, Pennsylvania (Lets Discover the States) by Thomas G. Aylesworth, Virginia L. Aylesworth, 1988-02
- Delaware Geography Projects: 30 Cool, Activities, Crafts, Experiments & More for Kids to Do to Learn About Your State (Delaware Experience) by Carole Marsh, 2003-05
- Delaware "jography": "geography fun!" by Carole Marsh, 1989
- GEOGRAPHY OF DELAWARE.|THE
- Climate change and Delaware's water resources future: First year completion report, project number 03 by John Russell Mather, 1991
- Names, given by the Lenni Lenape or Delaware Indians to rivers, streams, places, &c., in the now states of Pennsylvania, New Jersey, Maryland and Virginia;: ... and some biographical sketches by John Gottlieb Ernestus Heckewelder, 1833
- Delaware (From Sea to Shining Sea) by Amy Miller, 2009-03
- Delaware (One Nation) by Capstone Press Geography Department, 1999-04
- Delaware Hot Air Balloon Geography Mystery! (Carole Marsh Delaware Books) by Carole Marsh, 1999-01-01
- American Literary Geographies: Spatial Practice and Cultural Production 1500-1900
- Delaware (Statebasics) by Mari Kesselring, 2010-08
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