18 OA reference titles (as of Nov. 2021). In total, Brill today publishes more than 360 journals and 2,000 new books and reference works each year as well as a large number of databases and primary source research collections.

Founded by the late Professor Ehsan Yarshater and edited at the Ehsan Yarshater Center for Iranian Studies at Columbia University, this monumental international project brings together the scholarship about Iran of thousands of authors around the world.

iranicaonline.org The Encyclopaedia Iranica is a comprehensive research tool dedicated to the study of Iranian civilization in the Middle East, the Caucasus, Central Asia, and the Indian subcontinent...

Website of the Venetian State Archives: Online dictionaries: TLIO the first borndigital historical Italian dictionary. Currently (2021) only the first chronological section of the dictionary is published online. Sito web dell'Archivio di Stato di Venezia, con descrizione di servizi, attività ed iniziative

Oxford University Press publishes many valuable reference resources. The overwhelming majority of the content is behind a paywall (libraries usually subscribe), however this list of OA entries from various OUP titles might prove to be useful in and of itself, but it could also lead researchers to a dictionary or encyclopedia that will fill an information gap.

Made available by Central Library, documentation center and scientific resources of University of Tehran