The department collects and stores prints and other documents about Šiauliai city and region, accumulates a collection of old prints and manuscripts, digital collection of the library. It meets the informational and reading needs related to the historical development and present of Šiauliai city and region, prepares bibliographic indexes, regional studies works, updates in virtual “Šiauliai Calendar of Memorable Dates” and the biographical guide “Bright Society of Šiauliai: from 1791. until these days”.
The fund has more than 15 thousand physical documents documents, of which: almost 9 thousand are old prints, about 800 – manuscripts, and almost 200 – audio visual documents.
Since 2003, the department has been contributing to the development of the Lithuanian National Bibliographic Data Bank (NBDB). Since 2010, it has been participating in the project of the Martynas Mažvydas National Library of Lithuania “Development of the Virtual Electronic Heritage System” by updating the Lithuanian Digitization Library epaveldas with digital heritage objects of Šiauliai region.