- Delaware (Rookie Read-About Geography) by Kelly Bennett, Nanci R. Vargus, 2005-03
- The geography of Delaware by George Abram Harter, 1930
- Delaware (Hello USA) by Dottie Brown, 1994-01
- Delaware Geography Introduction: Zwaanendael Colony, Killens Pond State Park, Stanton, Delaware, Brandywine Creek State Park
- Geography of Delaware: Ebright Azimuth, Captain John Smith Chesapeake National Historic Trail, Coastal Heritage Greenway
- The history, geography and government of Chester and Delaware counties: For schools and general readers by Joseph Solomon Walton, 1893
- Geography of Delaware by County: Geography of Kent County, Delaware, Geography of New Castle County, Delaware, Geography of Sussex County
- Delaware: The First State (Our Amazing States) by Tika Downey, 2010-01-15
- Indianapolis-Anderson-Columbus Geography Introduction: Delaware Township, Hamilton County, Indiana
- Delaware Bingo: Geography Edition by Carole Marsh, 2001-07
- GEOGRAPHY OF DELAWARE.|THE by George A. Harter, 1930-01-01
- Geography of Sussex County, Delaware: Cape Henlopen State Park
- Geography of Kent County, Delaware: Hundreds in Kent County, Delaware, Landforms of Kent County, Delaware, Settlements in Kent County, Delaware
- Atlas of Historical County Boundaries: Delaware, Maryland, and the District of Columbia
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