Among the most valuable parts of the collections were approximately 700 manuscripts and incunabula and a unique collection of Bosniaca and Bosnian serial publications dating from the middle of the 19th century to the destruction of the Library.   

Less than 10 % of the precious collections were saved. The greatest loss is the destruction of approximately 600 titles of Bosnian periodicals. The destruction of the central catalogues of the Library will have most negative consequences on the reconstitution of the collections.  

THE INTERNATIONAL ASSISTANCE PROGRAMME. 
UNESCO has been given by the General Conference (Resolution 4.8) the mandate to assist in the restoration of the National and University Library of Bosnia and Herzegovina.