| 1 | geographical information available in the tirtha yatra portion of the skanda purana |
| Researcher: | Thakur, Umakant |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |
| 2 | Studies in political and cultural history of mithila from the earliest times to the Mughal conquest |
| Researcher: | Thakur, Upendra |
| University: | University of Calcutta |
| Language: | English |
| 3 | Ancient history and culture of Dakhina koshala from earlist times to 1320 A D |
| Researcher: | Thakur, Vishnu Singh |
| University: | Rani Durgavati Vishwavidyalaya |
| Language: | English |
| 4 | |
| Researcher: | Thakur, Vijay Kumar |
| Guide: | Chaudhary, R K |
| University: | Tilka Manjhi Bhagalpur University |
| Language: | English |