This publication is a collection of documentary materials related to the death of S. A. Yesenin and stored in the State Museum of the History of Russian Literature named after V. I. Dahl, the Department of Manuscripts of the Gorky Institute of World Literature and the Literary Museum of the Institute of Russian Literature (Pushkin House). The article describes the history of the acquisition and existence of such documents as "Case No. 89 on the suicide of the poet Sergei Alexandrovich Yesenin", posthumous photographs of Yesenin taken by M. S. Nappelbaum, V. V. Presnyakov and N. A. Shcherbakov, and the furnishings of the fifth room of the Angleterre Hotel made by V. V. Presnyakov. These documents served as material for checking the suicide version. The collection also includes reviews of some books dedicated to the death of Yesenin, a bibliography of literature about the death of S. A. Yesenin for 1989-2021 and a floor plan of the Angleterre Hotel.