D. P. · R.D. · R. P. · Ralph D.
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| College Years | 978-1-148-59940-3 | 2010 | Charles Scribner's Sons · Scribner Press |
| The Greater America: -1907 | 978-1-112-14876-7 | 2009 | |
| The greater America | 978-1-131-10132-3 | 2011 | |
| The Old Merchant Marine: A Chronicle of American Ships and Sailors | 978-1-112-12241-5 | 2009 | |
Cornell University Library · Nabu Press · The New York Public Library