Brockelmann's Geschichte der arabischen Litteratur offers bio-bibliographic information about works written in Arabic and their authors, with an emphasis on the classical period. The multi-volume reference work is divided in chronologically organized sections, which are subdivided by literary genre. Individual entries typically consist of a biographical section and a list of the author's works in manuscript and print, with references to secondary literature.

The Encyclopædia Iranica is dedicated to the study of Iranian civilization in the Middle East, the Caucasus, Central Asia and the Indian Subcontinent. The academic reference work will eventually cover all aspects of Iranian history and culture as well as all Iranian languages and literatures, facilitating the whole range of Iranian studies research from archeology to political sciences.

The Encyclopaedia of Islam sets out the present state of our knowledge of the Islamic World from religion and history to politics and culture. It includes articles on distinguished Muslims of every age and land, on tribes and dynasties, on the crafts and sciences, on political and religious institutions, on the geography, ethnography, flora and fauna of the various countries and on the history, topography and monuments of the major towns and cities. Its geographical and historical scope encompasses the old Arabo-Islamic empire, the Islamic countries of Iran, Central Asia, the Indian sub-continent and Indonesia, the Ottoman Empire and all modern Islamic states. The entire text of volumes I to XI and Supplement (Volume XII) of the printed edition of the Encyclopaedia of Islam is included.

"Encyclopaedia Islamica Online is based on the abridged and edited translation of the Persian Dāʾirat al-Maʿārif-i Buzurg-i Islāmī, one of the most comprehensive sources on Islam and the Muslim world. A unique feature of the encyclopaedia Islamica Online lies in the attention given to Shiʿi Islam and its rich and diverse heritage."

This encyclopedia is an interdisciplinary, trans-historical, and global project embracing women and Islamic cultures in every region where there have been significant Muslim populations. It aims to cover every topic for which there is significant research, examining these regions from the period just before the rise of Islam to the present.

OED online.

Index Islamicus™, produced by Brill Academic Publishers, is an international bibliography of publications in European languages on all aspects of Islam and the Muslim world. It covers history, beliefs, societies, cultures, languages and literatures. It includes material published by Western orientalists, social scientists and Muslims writing in European languages. The file contains indexing for over 3,400 titles with coverage dating back to 1906.

Encompassing over 5,000 A-Z reference entries, chapters from scholarly and introductory works, Qur'anic materials, primary sources, images, maps, and timelines. Features reference content and commentary by renowned scholars in areas such as global Islamic history, concepts, people, practices, politics, and culture, and is regularly updated as new content is commissioned and approved. Includes Oxford Encyclopedia of the Islamic World.

Oxford Dictionaries | Arabic is a groundbreaking resource for those with an interest in the Arabic language. Compiled by an international team of expert advisers, the dictionary is based on language as it’s used today. Using Modern Standard Arabic, there are 70,000 real-life example sentences and 330,000 words, phrases and translations in the world’s most current comprehensive dictionary, the first new unabridged dictionary published in 25 years.

Comprehensively covers all aspects of Arabic languages and linguistics. It is interdisciplinary in scope and represents different schools and approaches to be as objective and versatile as possible.

The Encyclopaedia of the Qur’ān Online is an encyclopaedic dictionary of qur’ānic terms, concepts, personalities, place names, cultural history and exegesis extended with essays on the most important themes and subjects within qur’ānic studies.

The EJIW is the first cohesive and discreet reference work which covers the Jews of Muslim lands particularly in the late medieval, early modern and modern periods.

Index to Jewish Periodicals is the definitive index on Jewish history, activity and thought. This database provides a comprehensive guide to English-language articles, book reviews, and feature stories in more than 220 journals devoted to Jewish affairs. Index to Jewish Periodicals is intended for students of Jewish thought and others interested in contemporary Jewish and Middle Eastern affairs. Journal coverage dates back as far as 1988.