| 1 | |
| Researcher: | Phulgan Ram |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | |
| Researcher: | Ram Lakhan |
| University: | Banaras Hindu University |
| Language: | English |
| 3 | |
| Researcher: | Parashu Ram Singh |
| University: | Banaras Hindu University |
| Language: | English |
| 4 | |
| Researcher: | Kulkarni, Ram Anant |
| University: | University of Pune |
| Language: | English |