Here is one such encyclopedia’s info.
http://www.brill.nl/m_catalogue_sub6_id11342.htm
share yours!
best,
Dushwari
Re: Recommending Books on Islamic History & Cultures
Islamic history (can't recall the exact name) by Ibn-e-Khuldoon
Ar Raheeq-ul-Makhtoom by Maulana Safiuddin Mubarakpuri
Taareekh-e-Islam by Maulana Shah Akbar Najeeb Abadi