In folklore studies, the study of folklore heritage, the analysis of the collecting activities of individual local historians, enthusiasts arouses genuine interest. One of these people was Vladimir Dmitrievich Atlasov, a native of Ust-Aldan district. The purpose of this work is to study some issues of V. D. Atlasov's collecting activity on the basis of the olonkho text texture and to establish the history of the recording of the olonkho text "Kentestei Beg". Descriptive, structural and comparative methods were used to achieve this goal. On the basis of published texts and archival materials, the article examines some aspects of V. D. Atlasov's collecting activity on fixing the Yakut heroic epic Olonkho. В The novelty of the research lies in the fact that for the first time the folkloristic work of V. D. Atlasov, an enthusiast, collector of olonkho, the textology of the recording of the Yakut heroic epic "Kentestei Beg" performed by S. M. Neustroev are considered. As a result of textual research of the manuscript, some features of the olonkho record were revealed. The presence of many amendments of various types indicates that the author worked in close cooperation with Olonkhosut himself. The text is clearly verified and in some places edited by the collector himself. Most of the text is written in modern graphics, but the letters of the old Latin alphabet are used in writing some words.