| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Problem of Universals from Boethius to John of Salisbury | 978-9O-O4-37114-9 (9O-O4-37114-1) | 2018 |
R. P. · Robert Pinkney · Robert Poensgen · Robert Ponsonby · Robert Pumsenberger · Robert Punkenhofer · Robert Pynsent · Roberta Panzanelli