摘要：The aim of the article is a comprehensive study, analysis, and systematization of a group of sources that present the figure of Mark Yakymovych Varshavchyk (1918-1921) as a famous Ukrainian historian, source researcher, and archivist.The scientific novelty is in the identification and characterization of documents that cover the scientific field of M. Ya. Varshavchyk. Attention is focused on significant events in the scientist’s life, reflected in written and visual sources. The content saturation and the level of information potential of documents are established; their actualization is carried out.The methodology is based on the theoretical foundations of modern sourcestudies, principles of scientific knowledge: historicism, systematics, and objectivity, which allows the study of past phenomena, actions, and behavior of individuals, taking into account socio-cultural and ideological factors and realities of public life. Preference is given to the biographical method, as well as the method of oral history (interviewing), which consists in recording the experience of the individual and using the information obtained to reconstruct the past.
关键词：M. Ya. Varshavchyk;scientific biography;historical source;archival documents;theoretical source studies
