| 1 | cultural study in the early coins of india from the earliest upto gupta period |
| Researcher: | Om Prakash Singh |
| Guide: | Thakur, U |
| University: | Magadh University |
| Language: | English |
| 2 | |
| Researcher: | Om Prakash Singh |
| Guide: | Saran, P |
| University: | University of Delhi |
| Language: | English |