Arcadian Library Online presents ca. 400 items ("more than 90,000 pages of content" per the publisher's site) sourced from the privately-owned Arcadian Library in London, whose collection of ca. 10,000 items focus on the Levant and "the shared cultural heritage of Europe and the Arab World" (publisher's site). The collection includes books, manuscripts, pamphlets, and other primary sources in a range of languages including Latin, English, Arabic, French and other European languages.
Featured content (available for individual purchase) current includes "Europe and the Ottoman World" (196 items dating from between 1475 and 1874) and "History of Science and Medicine" (196 items dating from between the ninth and twentieth centuries).