Collection consists of correspondence, manuscripts, documents, photographs, maps, and printed materials, mostly dealing with Gulḱevich's service in the Ministry of Foreign Affairs. Cataloged correspondents are Roman Gul,́ Ekaterina Kuskova (over 200 letters), Sergeĭ Prokopovich, and Petr Savit︠s︡kiĭ. Manuscripts are reports on Turkey, Armenia and Panislamism. Documents and awards are from the Ministry of Foreign Affairs and foreign governments. Printed materials consist of clippings and also printed circulars of the Ministry of Foreign Affairs dating from 1886-1896.