| 1 | |
| Researcher: | Gupta, Mata Prasad |
| University: | University of Allahabad |
| Language: | Hindi |
| 2 | |
| Researcher: | Shukla, K N |
| University: | Banaras Hindu University |
| Language: | Hindi |
| 3 | |
| Researcher: | Shukla, Kesari Narayan |
| University: | Banaras Hindu University |
| Language: | English |
| 4 | |
| Researcher: | Shende, Narayan Jagananth |
| University: | University of Mumbai |
| Language: | English |