Tolkāppiyam Poruḷatikāram
Work in progress ...
Iḷampūraṇar's commentary
available here for the following iyal-s only:
1. akattiṇaiyiyal (sūtra-s 1 to 58)
2. puṟattiṇaiyiyal (sūtra-s 59 to 88)
3. kaḷaviyal (sūtra-s 89 to 139)
6. meyppāṭtiyal (sūtra-s 245 to 271)
7. uvamaviyal (sūtra-s 272 to 309)
9. marapiyal (sūtra-s 545 to 656)
For the other sūtra-s, only the mūlam is available.