The “Rare Books Collection” in the University Library includes editions in Bulgarian, Slavic, Classical and Modern European Languages, from XVI to XIX century: manuscripts, books, periodicals, references, cartographic and bibliophilic editions, first and lifetime publications of classical writers of Bulgarian literature, private libraries etc.

Base of this collection are the “Bulgarian old-printed publications”, containing 2000 volumes books and periodicals. There are: “Nedelnik” of Sofronii Vrachanski, “Bukvar s razlichni pouchenia” of Petar Beron, “Balgarska gramatika” of Neofit Rilski, Botev’s newspapers, “Gorski patnik” of G. S. Rakovski, etc.

The collection of “West European Literature” is exclusively valuable, it is nationally important. There are included scientific publications in various science fields: History, Classical philology, Philosophy, Natural sciences, Mathematics, Law, Art, etc.

The “Rare and Valuable Publications” includes the private libraries of distinguished Bulgarian scientists – Prof. Boyan Penev, Acad. Ljubomir Miletich, Prof. Ivan Shishmanov, Prof. Mihail Dragomanov, Prof. Georgi Zlatarski, Prof. Atanas Ishirkov, Prof. Stefan Stanchev, Prof. Boris Evdokimov, Prof. Boris Galabov, etc.