R. P. · Richard H. · Richard P.
Peter Lang Publishing · The Johns Hopkins University Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A History of Memorial Day: Unity, Discord, and the Pursuit of Happiness | 978-0-8204-3959-4 (0-8204-3959-2) | 2002 | Thomas J. Curran |
| Modern American Environmentalists: A Biographical Encyclopedia | 978-0-8018-9152-6 (0-8018-9152-3) | 2009 | George A. Cevasco · Everett I. Mendelsohn |