Bibliographic practice as an object of bibliographic studies

Review of the joint monograph “Essays on bibliographic activity Russian State Library: A monograph” / Library ; ed. by G. L. Levin. Moscow : Pashkov dom, 2022. 734 p. The author reviews leading specialists (RSL). article is publishedon occasion 100th anniversary reference and information office as division library Rumyantsev Museum in December 1918. rendered all types user services (e. g. address, subject, specifying references). reviewed covers main fields RSL’s activity: development collection, services, building directories, bibliographical service culture arts, making indices emigration literature, research theory bibliography, etc. choice RSL object study makes an appropriate contribution to bibliography. reviewer regards intensification activities larger libraries national) attribute modern one few large-scale works covering full range national library's last century; therefore, it high value.