| 1 | |
| Researcher: | Roy-Choudhury, Guru Saran |
| University: | Banaras Hindu University |
| Language: | Bengali |
| 2 | |
| Researcher: | Porel, Atasi |
| University: | University of Calcutta |
| Language: | Bengali |
| 3 | |
| Researcher: | Bala, Amritalal |
| University: | University of Calcutta |
| Language: | English |