Title
- Safīnah1
- Samarasaṃgraha1
- Sarvatobhadramaṇḍaladevatā1
- Saṃketakaumudī1
- Saṃkrāntīphaladīpikā1
- Seiyō senpaku zukai /1
- Sharḥ Khulāṣat al-ḥisāb1
- Sharḥ al-Ṭawāliʻ wa-Tashrīḥ al-aflāk1
- Sharḥ-i Bīst bāb dar maʻrifat-i asṭurlāb1
- Sharḥ-i Risālah dar hayʼat1
- Siddhāntaśiromaṇi1
- Sufi texts1
- Sūryasiddhānta1
- Tamra mueang Takkasila1
- Tawjīh al-basmalah1
- Taṣrīḥ fī sharḥ Tashrīḥ al-aflāk1
- Text on logic1
- Thai yantra manuscript1
- Thesaurus pauperum1
- Trattato delle proportioni et proportionalità1