Ibn al‐Ṣaffār Abū al‐Qāsim Aḥmad ibn ʿAbd Allāh ibn ʿUmar al‐Ġāfiqī

Reference works

• BEA

  Thomas Hockey et al. (eds.). The Biographical Encyclopedia of Astronomers, Springer Reference. New York: Springer, 2007.

• Wikipedia
• EI2

  P. Bearman et al. (eds.). Encyclopaedia of Islam, Second Edition. Leiden: Brill.

• ISMI

  Islamic Scientific Manuscripts Initiative

• BEA

  Thomas Hockey et al. (eds.). The Biographical Encyclopedia of Astronomers, Springer Reference. New York: Springer, 2007.