G. P. · George P · George R. · R. P.
Cornell University Library · Repressed Publishing
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| History of the Eighty-Seventh Regiment, Pennsylvania Volunteers: Prepared From Official Records, Diaries, and Other Authentic Sources of Information | 978-1-112-13555-2 (1-112-13555-3) | 2009 |
| The History of Camden County, New Jersey: | 978-1-4622-1807-3 (1-4622-1807-5) | 2014 |