| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Irish Literary Revival: Its History, Pioneers and Possibilities | 978-O-87696-OO4-2 (O-87696-OO4-2) | 1977 |
P R · P. Ryan · Patrick Ryan · W.P. · W. P Ryan · W. Patrick · W R · W. Ryan · William P. · William P. Ryan · William Patrick · William R. · William Ryan