Keywords
- Quotations1
- Sayings1
- Science1
- Seventeenth century2
- Sixteenth century3
- Solar eclipses2
- Stamps1
- Sundials1
- Tables4
- Tadhkirah fī ʻilm al-hayʼah (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)1
- Tenth century1
- Theology, Doctrinal1
- Thirteenth century2
- Timekeeping1
- Turkey2
- Vellum bindings1
- Vellum wrappers1
- Watermarks1
- Weather forecasting1
- Weights and measures1