Library collections include materials that satisfy the educational, research and recreational needs of the users. They cover mainly the social sciences and humanities. Most of the material is in the Greek and English languages, but some books are in Turkish, French, and German.
The majority of the collections are available on open shelves for the examination of the users and are arranged by Dewey Decimal Classification number. Dewey classified all human knowledge in 10 main categories, each of which is subdivided by subcategories.
The main categories are:
|Philosophy, paranormal phenomena, psychology|
|Natural sciences and mathematics|
|Technology (Applied sciences)|
|The arts. Fine and decorative arts|
|Literature and rhetoric|
|Geography and history|