| Termen/ Term | Nr. apariții/ No. occurrences |
| IORGULESCU VOR PETRE | 1 |
| IORGULESCU YOR PETRE | 8 |
| IORGULESCU-YOR PETRE | 140 |
| IOSAF MONAHUL | 1 |
| IOSEF BRANDT | 1 |
| IOSEF ISRAELS | 1 |
| IOSIF | 1 |
| IOSIF IEROMONAH | 36 |
| IOSIF ISER | 1 |
| IOSIF MOLNAR | 4 |
| IOSIF R | 1 |
| IOSIF R. | 9 |
| IOSIF R. (ROSENBLUTH) | 2 |
| IOSIF R.(ROSENBLUTH) | 29 |
| IOSIF R.[ROSENBLUTH] | 2 |
| IOSIF RADU | 1 |
| IOSIF ROSENBLUT | 8 |
| IOSIF ROSENBLUTH | 96 |
| IOSIF ZUGRAV | 1 |
| IOSIFESCU | 10 |
| IOTZU CONSTANTIN | 1 |
| IOVANNI PANNINI | 1 |
| IPAKI IOSIF | 1 |
| IPO LASZLO | 2 |
| IPO ZOLTAN | 1 |
| IPPOSAI YOSHIFUJI | 1 |
| IRAN | 7 |
| IRIMESCU ION | 128 |
| IRIMIE NICOLAE | 66 |
| IRINA CODREANU | 1 |
| ISABEY | 1 |
| ISABEY E. | 1 |
| ISABEY EUGENE | 19 |
| ISABEY JEAN | 4 |
| ISABEY JEAN BAPTISTE | 1 |
| ISABEY LOUIS | 1 |
| ISABEY LOUIS GABRIEL EUGENE | 1 |
| ISABEY V. | 1 |
| ISAC CRISAN MIHAELA | 1 |
| ISACHIE CONSTANTIN | 92 |
| ISAI MONAH | 1 |
| ISBASESCU TAMARA | 4 |
| ISCOVESCU BARBU | 13 |
| ISEF IOSIF | 1 |
| ISER IOSIF | 1,885 |
| ISLER C | 1 |
| ISLER C. | 7 |
| ISODA KORYUS AI | 1 |
| ISODA KORYUSAI | 5 |
| ISOPESCU HORTENSIA | 5 |