R. P. · Robert P. · Robert W. · W.P.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Give Your Gifts - The Basics - Robert W. Piercy - SongBook | 978-1-57999-112-8 (1-57999-112-2) | 2010 |
| When Children Gather: 20 Prayer Services for the Liturgical Year | 978-1-57999-030-5 (1-57999-030-4) | 1998 |