The items of evidence following the acceptance of documents into the archive, enable the examination and survey of the records kept in the archives, and serve as the proof of the assessment of pecuniary circumstances. These items of evidence include the following ones: the register of archive groups and the file of a given archive group. The register of an archive group incorporates the following data: the name of a given archive group or the title of a collection, registration numbers entered into the accession book, the period of time that anarchive group spans, extent, location in the archives repository, description of the archives, date of register entry. The file of an archive group embraces the following: the particulars of documents and their material state, elimination,microfilming of documents, conservational measures undertaken so as to preserve the documents, plan of the arrangement of archive groups, bibliographies(publications of sources and of presentations of documents).