- Pan-African Chronology : A Comprehensive Reference to the Black Quest for Freedom in Africa, the Americas, Europe and Asia, 1400-1865 (Vol. 1) (Pan-African Chronology)
- Pan-African Chronology: A Comprehensive Reference to the Black Quest for Freedom in Africa, the Americas, Europe and Asia, 1865-1915, (Vol. 2) (Pan-African Chronology)
- The Creation: Secular, Jewish, Catholic, Protestant and Muslim Perspectives Analyzed
- The Muslim Diaspora (Volume 1, 570-1500): A Comprehensive Chronology of the Spread of Islam in Asia, Africa, Europe and the Americas
- The Muslim Diaspora (Volume 2, 1500-1799): A Comprehensive Chronology of the Spread of Islam in Asia, Africa, Europe and the Americas