The article highlights a small-scale research study of the archive of Yoqubjon Is’hoqov preserved at the Alisher Navoi State Museum of Literature under the Academy of Sciences of the Republic of Uzbekistan. The study focuses on identifying and classifying unpublished materials, including the author’s autograph manuscripts, typed research papers, and notes. These materials reveal unknown aspects of the scholar’s academic legacy and provide new insights into the history of Uzbek literary studies.