- Confederate Tide Rising
- Confederate Wizards of the Saddle
- Confederates in Canada
- Confederates in Montana Territory
- Confederates in the Attic
- Confessions of a D.C. Madam
- Confessions of a Fair-Housing Agitator
- Confessions of a Recovering Racist
- Confessions of a Spy
- Confidence Men
- Confidential Confidential
- Conflagration
- Conflict and Command
- Conflicting Memories on the "River of Death"
- Confronting Decline
- Confronting Hate
- Confronting Political Islam
- Confronting the American Dream
- Confronting the Odds
- Congaree National Park
- Congress and the First Civil Rights Era, 1861-1918
- Congress at War
- Congress Creates the Bill of Rights
- Congress in Reverse
- Congress, Presidents, and American Politics
- Congress: Core Documents
- Congressional Districting
- Congressional Government: A Study in American Politics
- Congressman Lincoln
- Conneaut Lake Park
- Connecticut Attacked
- Connecticut Baseball
- Connecticut Beer
- Connecticut Coast
- Connecticut Curiosities
- Connecticut Families of the Revolution
- Connecticut Icons
- Connecticut in the Golden Age of Spiritualism
- Connecticut in World War II
- Connecticut Miscellany
- Connecticut Pirates & Privateers
- Connecticut River Valley Flood of 1936
- Connecticut Rock ‘n’ Roll
- Connecticut Signer
- Connecticut State Police
- Connecticut Town Greens
- Connecticut Valley Tobacco
- Connecticut Vanguards
- Connecticut Yankees at Gettysburg
- Connecticut's Black Soldiers, 1775-1783
- Connecticut's Revolutionary Press
- Connecticut's Seminary of Sedition
- Connecticut's War Governor
- Connecting Texas
- Connecting the West
- Conowingo Dam
- Conquered into Liberty
- Conquering Gotham
- Conquering Sickness
- Conquest by Law
- Conrad Wise Chapman
- Conscience
- Conscience and Community
- CONSCIENCE IN EXTREMIS
- Conscientious Objectors in the Civil War
- Conscious Choice
- Conscription and Conflict in the Confederacy
- Conservation and the Gospel of Efficiency
- Conservation Fallout
- Conservatism, Consumer Choice, and the Food and Drug Administration during the Reagan Era
- Conservative Counterrevolution
- Conservative Heroes
- Conservative Icons: The Lives and Legacies of Ronald Reagan and Margaret Thatcher
- Conservative Revolutionaries
- Conservatives Against Capitalism
- Conservatives Without Conscience
- Conserving Oregon's Environment
- Console Wars
- Consolidated Aircraft Corporation
- Conspicuous Gallantry
- Conspiracy in the Streets
- Constables, Marshals, and More
- Constance
- Constance Baker Motley
- Constituent Moments
- Constituting Americans
- Constitution & Declaration of Independence
- Constitution Forever in the USA
- Constitution Island
- Constitution of the Iroquois Nations
- Constitution of the United States
- Constitutional Context
- Constitutional Faith
- Constitutional Interpretations
- Constitutional Myths
- Consumed Nostalgia
- Consumer Engineering, 1920s–1970s
- Consuming Identities
- Consuming Pleasures
- CONTACT CREEDE! A Novel of Old Colorado
- Containing Addiction
- Containment Culture
- Contemporary Artists Working Outside the City
- Contempt
- Contemporary Artists Working Outside the City
- Contempt
- Contested and Dangerous Seas
- Contested Boundaries
- Contested Christmas
- Contested Conventions
- Contested Democracy
- Contested Empire
- Contested Ground
- Contested Loyalty
- Contested Medicine
- Contested Waters
- Contesting Castro
- Contesting the Constitution
- Contesting the Terrain of the Ivory Tower
- Continental Divide: A History of American Mountaineering
- Continental Strangers
- Continental vs Redcoat
- Continuity and Change, 1940-1965
- Contraband Guides
- Contraband: Smuggling and the Birth of the American Century
- Contrary Notions
- Controlling Sex in Captivity
- Controlling Women
- Controversies & Commanders
- Converging Worlds
- Conversations in a Country Store: Reminiscing on Maryland's Eastern Shore
- Conversations in the Spirit
- Conversations with Lincoln
- Converse College
- Convict Cowboys
- Convicts, Coal, and the Banner Mine Tragedy
- Conway
- Conway County Heritage
- Cool Comfort
- Coolidge
- Coolies and Cane
- Cooper Union Speech
- Copiague
- Copiah County
- Coppell, Texas
- Copper Country Streetcars
- Copperheads
- Copps Hill Burial Ground
- Coralville
- Corinth
- Corn Kings and One-Horse Thieves
- Cornelius Vanderbilt
- Cornell and Ithaca in Postcards
- Cornering the Market
- Corning