The article deals with the problem of applying terms of the library local studies in practice. The essence is that lots of concepts, according to the author’s view, do not meet modern trends of social-economic development of the territory, it complicates the process of forming the regional documents collection in libraries. It is supposed to complete the conceptual row of the topic with more precise definitions and to introduce them into the lexicon of librarians-practitioners, it’s the article objective. Using the complex of research methods (an informative approach, comparative analysis of quotations, analyticsynthetic processing technique) the existing terminology was studied and views evolution of local library researchers was analyzed in relation to local history and regional documents. Arguments legality of applying the term "regional document" in the library practical activities is shown. As a result of the preliminary study, the author came to the conclusion about the need to clarify investigated terms, which should facilitate implementation of local history and regional studies work by librarians. It was proposed own interpretation of definitions and the refined scheme of the regional documents collection in the regional central library.
Научная статья 
Научная статья