- Delaware (Rookie Read-About Geography) by Kelly Bennett, Nanci R. Vargus, 2005-03
- 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
- The geography of Delaware by George Abram Harter, 1930
- The history, geography and government of Chester and Delaware counties: For schools and general readers by Joseph Solomon Walton, 1893
- Delaware Bingo: Geography Edition by Carole Marsh, 2001-07
- Delaware (Hello USA) by Dottie Brown, 1994-01
- Delaware "jography": "geography fun!" by Carole Marsh, 1989
- 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
- Climate change and Delaware's water resources future: First year completion report, project number 03 by John Russell Mather, 1991
- Delaware Hot Air Balloon Geography Mystery! (Carole Marsh Delaware Books) by Carole Marsh, 1990-09
- Geography of Maryland by William Bullock Clark, 1924
- Delaware, Maryland & the District of Columbia Atlas of Historical County Boundaries (Atlas of Historical County Boundaries Delaware, Maryland and the District of Columbia)
- American Literary Geographies: Spatial Practice and Cultural Production 1500-1900
- Delaware (One Nation) by Capstone Press Geography Department, 1999-04
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