| 1 | Political and cultural history of Dhangadhra state (A D 1869 TO A D 1974) |
| Researcher: | Ahir, Komal Nathubhai |
| Guide: | Patel, L S |
| University: | North Gujarat University |
| Language: | English |
| 2 | The political and cultural history of Vadhavan state (UP to 1947) |
| Researcher: | Jalu , Mahesh Rambhai |
| Guide: | Patel, L S |
| University: | Hemchandracharya North Gujarat University, Patan |
| Language: | Gujarati |