Author
- Abū Bakr ibn Ismāʻīl Shanawānī1
- Abū Naṣr Muḥammad Badr al-Dīn Farāhī1
- Abū al-Qāsim ibn Abī Bakr Samarqandī1
- Adam of Eynsham1
- Ahmad ibn Abd al-Razzaq al-Tantarani1
- Ahmed ibn Nasir1
- Al-Khwarizmi1
- Al-Larí1
- Al-Mu'azzam Isa1
- Al-Zarnuji1
- Al-Ḥusayn ibn al-Ḥasan Jurjānī1
- Albertus de Saxonia1
- Albrecht von Pfalz-Mosbach1
- Alfonso X of Castile and Leon1
- Alfonso de Palencia1
- Ambrosiaster1
- Andrew Welch1
- Andrés Bernáldez1
- Anne Baker Lewis1
- Antoine Vincent1