Raunig, Walter (2005). Afrikas Horn: Akten der Ersten Internationalen Littmann-Konferenz 2. bis 5. Mai 2002 in München. Otto Harrassowitz Verlag, გვ. 130. ISBN3-447-05175-2. „ancient Arabic geography had quite a fixed pattern in listing the countries from the Red Sea to the Indian Ocean: These are al-Misr (Egypt)—al-Muqurra (or other designations for Nubian kingdoms)—Zanj (Azania, i.e. the country of the "blacks"). Correspondingly almost all these terms (or as I believe: all of them!) also appear in ancient and medieval Chinese geography“.
