Makles, K. 2020. The Centre for Research and Documentation of Cultural and Natural Heritage of the South–Eastern Borderlands of the Second Polish Republic. Its concept, present state, and prospects. AUPC Studia ad Bibliothecarum Scientiam Pertinentia. 18, (Jul. 2020), 393–398. DOI:https://doi.org/10.24917/20811861.18.26.