Leiden University Library aquired four important online sources for Middle Eastern Studies:

• BABO The bibliography of Arabic Books Online (Brill) is a dynamic online bibliographic database containing information about books published in Arabic before 1960.

  Brockelmann Online (Brill) consists of both original volumes Geschichte der arabischen Litteratur (GAL) by Carl Brockelmann (1868-1956), as well as the three supplement volumes, including the indexes. 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 Encyclopedia of Arabic Language and Linguistics (Brill) represents a unique collaboration of a few hundred scholars from around the world and covers all relevant aspects of the study of Arabic and deals with all levels of the language (pre-Classical Arabic, Classical Arabic, Modern Standard Arabic, Arabic vernaculars, mixed varieties of Arabic.

• MEMO1: Pioneer Orientalists: Brill and Leiden University Library have joined forces to digitize the Arabic manuscripts from three of the library's core collections, now published online under the title Pioneer Orientalists: The Manuscript Collections of Scaliger, Raphelengius and Golius from the Leiden University Library.