| 1 | Prachin Uttar Bharat mein gramin samaj evam arthik jiwan, san 700-1200 E |
| Researcher: | Dubey, Rajendra Prasad |
| Guide: | Raja Ram |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | |
| Researcher: | Singh, Rajendra Prasad |
| Guide: | Mishra, D K |
| University: | Banaras Hindu University |
| Language: | English |