- SUBURB IN THE CITY: CHESTNUT HILL, PHILDELPHIA, 1850-1990 (URBAN LIFE & URBAN LANDSCAPE)
- America's Needless Wars: Cautionary Tales of Us Involvement in the Philippines, Vietnam, and Iraq
- Philadelphia's Progressive Orphanage: The Carson Valley School
- Metropolitan Paradise: The Struggle for Nature in the City: Philadelphia's Wissahickon Valley, 1620-2020
- Rebel Giants: The Revolutionary Lives of Abraham Lincoln and Charles Darwin