| 1 | Economic conditions of the tamil country from 300 b c to 900 a d | |
| Researcher: | Lingammal K | |
| Guide: | Ramaswamy T | |
| University: | Madurai Kamraj University | |
| Language: | English | |
| Shodhganga | ||
| 2 | The impact of leftist on the working class movement in Tamil nadu from 1927 to 1947 | |
| Researcher: | Pichaimari M | |
| Guide: | Ramaswamy T | |
| University: | Madurai Kamraj University | |
| Language: | English | |
| Shodhganga | ||
| 3 | History of trade and commerce under the second pandyan empire | |
| Researcher: | Murugeswari B | |
| Guide: | Ramaswamy T | |
| University: | Madurai Kamraj University | |
| Language: | English | |
| Shodhganga | ||