- Philadelphia's 1926 Sesqui-Centennial International Exposition
- Philadelphia's Fairmount Park
- Philadelphia's Old Southwark District
- Philadelphia's Top Fifty Baseball Players
- Philanthropy in America
- Philip Freneau
- Philip Payton
- Philip Pendleton Barbour in Jacksonian America
- Philip Reid After Slavery
- Philip Sparrow Tells All
- Philistines at the Hedgerow
- Phillies 1980!
- Phillipsburg
- Philly Sports
- Philmont
- Philosophy and Allotment : John Locke's influence on Henry L. Dawes
- Philosophy in a Time of Terror
- Philosophy of Education in Historical Perspective
- Philosophy of History After Hayden White
- Phoebe Apperson Hearst
- Phoenix of the Seas
- Phoenix's Ahwatukee-Foothills
- Phoenix's Roosevelt Row
- Phoenix’s Greater Coronado Neighborhood
- Phog
- Physician of the American Revolution
- Piano Man
- Picking Fights with the Gods
- Picking the Bones of Eleven Presidents and Others
- Picking Up: On the Streets and Behind the Trucks with the Sanitation Workers of New York City
- Pico Rivera
- Pico, Vermont: 75th Anniversary Edition
- Picture History of World War II American Aircraft Production
- Pictures at a Revolution
- Pictures of Southern Life
- Picturing America
- Picturing American Modernity
- Picturing Dogs, Seeing Ourselves
- Picturing Frederick Douglass
- Picturing Illinois
- Picturing Medical Progress from Pasteur to Polio
- Pidge, Texas Ranger
- Pie in the Sky
- Pieces of Justice
- Pieces Of The Past
- Piedmont
- Piedmont Soldiers and their Families
- Piercing the Heartland
- Pierre and Fort Pierre
- Pierre Part
- Piety and Tolerance
- Pig 'N Whistle
- Pigeon River Country
- Pigskin
- Pigskin Nation
- Pike County
- Pilgrim Confidential
- Pilgrim's Wilderness
- Pilgrimage
- Pilgrims of the Air: The Passing of the Passenger Pigeons
- Pillage of Hope
- Pillaging the Empire
- Pillars of the Republic
- Pilot Point
- Pine City
- Pine Creek Villages
- Pinedale
- Pinetop-Lakeside
- Pink-Slipped
- Pinkerton's Great Detective
- Pinnacle Peak
- Pioneer Colored Christians
- Pioneer Days in Kansas
- Pioneer Days In The San Bernardino Valley
- Pioneer Family
- Pioneer Jewish Texans
- Pioneer Journey
- Pioneer Printer
- Pioneer Quilts
- Pioneer Roads and Experiences of Travelers, Volume 1 of 2 (Illustrated)
- Pioneer Roads and Experiences of Travelers, Volume 2 of 2 (Illustrated)
- Pioneer Roads, Part 1 of 2
- Pioneer Roads, Part 2
- Pioneer Survivor of Indian Attack: The Story of Barbara Culp McKinney
- Pioneering Across America
- Pioneers and Preachers
- Pioneers of France in the New World
- Pioneers of France In the New World
- Pioneers of Mill Creek Canyon
- Pioneers of Science in America
- Pioneers of the Old South, a Chronicle of English Colonial Beginnings
- Pioneers of the Old South: a chronicle of English colonial beginnings
- Pioneers of the Old Southwest: a chronicle of the dark and bloody ground
- Pionnières. Héroïnes du Far West
- Piracy
- Pirates & Patriots of the Revolution
- Pirates & Rogues of Monterey Bay
- Pirates & Smugglers of the Treasure Coast
- Pirates and Buried Treasures of Florida
- Pirates and Lost Treasure of Coastal Maine
- Pirates of New England
- Pirates of New Spain, 1575-1742
- Pirates of the Florida Coast: Truths, Legends, and Myths
- Pirates of the Prairie
- Pirates of Virginia
- Pirates, Ghosts, and Coastal Lore
- Pirates, Pineapples, and People
- Pistol Packin' Preachers
- Pistol Pete, Veteran Of The Old West
- Pitching to the Pennant
- Pitfall or Panacea
- Pittsburg
- Pittsburg County
- Pittsburg, Shawmut & Northern Railroad
- Pittsburg County
- Pittsburg, Shawmut & Northern Railroad
- Pittsburgh and the Great Steel Strike of 1919
- Pittsburgh Drinks
- Pittsburgh Film and Television
- Pittsburgh Irish
- Pittsburgh Jazz
- Pittsburgh Remembers World War II
- Pittsburgh Steps
- Pittsburgh Streamlined Trolleys
- Pittsburgh's Bridges
- Pittsburgh's East Liberty Valley
- Pittsburgh's Greatest Athletes
- Pittsburgh's Mansions
- Pittsburgh's Point Breeze
- Pittsburgh's South Side
- Pittsburgh’s Greatest Teams
- Pittsfield
- Pittsfield's Fosburgh Murder Mystery
- Pittsylvania County, Virginia
- Pivotal Policies in Delaware
- Pivotal Tuesdays
- Pizitz
- Place Names of Illinois
- Place of Her Own
- Places of Invention
- Places of Worship
- Plague Among the Magnolias
- Plague and Fire
- Plague and the City
- Plague in Paradise
- Plain Buggies
- Plain, Honest Men
- Plainfield
- Plainfield Township
- Plainville
- Plan Colombia
- Plan of Attack
- Planning Democracy
- Planning the Home Front
- Planning Tool to Support Louisiana’s Decisionmaking on Coastal Protection and Restoration
- Plano
- Plano's Historic Cemeteries
- Plant City
- Plantation Church
- Plantation Houses and Mansions of the Old South
- Plantation Kingdom
- Plantation Life Before Emancipation
- Plantation Slavery in Georgia
- Plantations and Historic Homes of South Carolina
- Plantations of Virginia
- Planting an Empire
- Plateau Valley
- Platte County
- Play Me Something Quick and Devilish
- Playback