P S · P. Scherer · Paul E. Scherer · Paul S.
PS · Susquehanna University Press
| title | ISBN-13 (ISBN-10) | year of publication | 
|---|---|---|
| Lord John Russell: A Biography | 978-1-57591-021-5 (1-57591-021-7) | 1999 | 
| Recent Advances in Orthotic Therapy | 978-0-9799475-3-7 (0-9799475-3-7) | 2011 |