The Centre for Advanced Study Sofia (CAS) is an independent non-profit institution set up for the promotion of advanced scholarship and academic cooperation in the Humanities and Social Sciences. Learn more >

Collections & Services


The CAS Library collections and services are mainly specialized in the sphere of the Humanities and Social Sciences with focus on the Balkan Studies area. Collections consist of: books and monographs; periodicals; reference collections; online academic databases; offline database “The Balkan Bibliography 1985-2001"; special collections (monographs, articles, periodicals, bibliographical data, Internet resources) created for the purposes of each separate CAS project.


The CAS library serves and supports in a traditional and electronic way the CAS Fellows and external academic researchers with:

  • Books loans (only for CAS fellows);
  • Access to the collection of periodicals;
  • Access to online academic databases;
  • Written bibliographical references.
Rules of use

Books are borrowed only by CAS fellows:

  • during the working hours of the Library
  • for a period of 7 days
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