| 1 | ||
| Researcher: | Kumar, Raj | |
| University: | Panjab University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Ashok Raj | |
| Guide: | Chaturvedi, G N | |
| University: | Banaras Hindu University | |
| Language: | Hindi | |
| 3 | ||
| Researcher: | Misra, Raj Chhatra | |
| University: | University of Allahabad | |
| Language: | English | |
| 4 | ||
| Researcher: | Shukla, Raj Muni | |
| University: | Dr Harisingh Gour Vishwavidyalaya | |
| Language: | English | |
| 5 | Bharatvarsh per videshi akraman ka aitihas adikal se arabic akraman tak: ek sanskritik adhyayan | |
| Researcher: | Sinha, Raj Govind | |
| Guide: | Sharma, M K | |
| University: | Magadh University | |
| Language: | English | |