| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Philadelphia Haunts: At Eastern State Penitentiary, Fort Mifflin, and Other Ghostly Sites | 978-O-7643-2987-6 (O-7643-2987-1) | 2008 |
K S · Katerina Skouri · Katharina Saar · Katharina Schurr · Katharina Suhr · Katherine Sierra · Kathrin Sauer · Kathrin Schar · Kathryn Skiar · Katrin Seyr