The main bulk of the Library is supplemented with special collections:
The Athanassios D. Hatzidimou Collection, consisting of editions of the 19th c. in Smyrna, was purchased in 1980; the researcher Ioanna Petropoulou has prepared the book catalog;
The Chr. I. Christidis Collection, donation of Ms. Ioanna Agianoglou, his niece, was catalogued by the researcher Matoula Kouroupou; it includes Greek and foreign-speaking publications published in or related to Istanbul, as well as an important number of Turkish books and journals;
Around 500 statutes of associations and organizations from Istanbul and Asia Minor have been collected through donations, such as that of D. M. Mostratos from Folegandros. They have been supplemented and catalogued by the researcher Matoula Kouroupou.