Guidance on collection of geographic and archaeological materials by Konstantin Irechek and its importance for laying the basis of a legal system for the preservation and research of the cultural heritage in Bulgaria

Vasileva, Sofia. Guidance on collection of geographic and archaeological materials by Konstantin Irechek and its importance for laying the basis of a legal system for the preservation and research of the cultural heritage in Bulgaria // The Society of Knowledge and Humanism of the 21st Century. Proceedings of the XI National Scientific Conference, Volume ХІV, Sofia 2017,

pp. 288-294 (abstract - English, text – Bulgarian)