JHAR 2021/1 Contents Editorial A. Gorin, Z. Silaeva, E. Safiullina. The Role of Replacing Ethno-Cultural Identity with Religious Identity in the Process of Formation and Development of the North Caucasus Imamate A. Zlatkov. The Bulgarian Trade Agency in Dedeagach (1897–1901) H. Stefanov. Ignored historic and Cultural Monuments in Shumen, Built in the 17th –19th Centuries V. Uzunova. On the Track of the Missing Archives of Haskovo Prison List of Authors