| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Reruns Again | Neil Sorenson | 1992 | English | Solution |
| Rescue of the Fair Princess Priscilla, The | Christian Andersen | ? | English | Solution |
| Rift, The | Michael A. Buonaccorsi | 1993 | English | |
| Ring des Nibelungen, Der | Michael R. Harris | 1988 | English | Solution |