Coba jelasin Khalifah Abbasiyyah Baghdad dari Kerajaan Bani Abbasiyah dalam bahasa melayu dong

Abu al-Abbas al-Saffah 750 - 754

Harun al-Rashid 786 - 809

Al-Mutawakkil I (menaiki takhta semula) 1389-1406

Abbasids the 2nd dynasty of caliphs

Abbasid Caliphs (In Our Time, Radio 4), in Streaming RealAudio

An On-Going Detailed Account of the History of the Abbasids from an Islamic perspective. Most of the narrations have been sifted through to avoid "biased" theories regardless if the historians as mentioned are Shiite or Sunni.

Abbasid Caliphate entry in Encyclopaedia Iranica