Manuscript libraries, the items collected in them, their location, and something of their history can be classified as follows (previous work on this subject was described in Lütfü Eroğiu’s “Istanbul Kütüphaneleri”):
1. Ministry of Culture and Tourism’s libraries under the auspices of the General Directorate of Libraries.
2. Ministry of Culture and Tourism’s libraries under the auspices of the General Directorate of Monuments and Museums.
3. University libraries.
4. Public libraries.
5. Libraries under the auspices of the General Directorate of Foundations.
6. Private libraries, such as those associated with banks or newspapers.