by Seitz, Ruth Hoover.
Pennsylvania off the beaten path : discover your fun
Pennsylvania good eats : exploring the state's favorite, unique, historic, and delicious foods
Pennsylvania Civil War trails : the guide to battle sites, monuments, museums and towns
Hiking through history Pennsylvania : exploring the state's past by trail
Hiking waterfalls in Pennsylvania : a guide to the state's best waterfall hikes
Westsylvania Heritage Trail: a guide to Southwest Pennsylvania's historic places