"Diary of Thoughts 1943-1957." The classic of the Russian avant-garde Alexei Remizov is a unique work of documentary and artistic prose of the Russian emigration. The diary includes the recording and comprehension of modern political events, reflects the process of the writer's creative work, memories of the era of the Silver Age and surreal dreams. The fourth volume contains records of 1950-1951, when the writer worked on the epic "Olya," the books "Fire of Things," "Petersburg Buerak," the cycle "Legends in Centuries." The text of the diary is accompanied by an introductory article, a scientific commentary, an annotated personal index, illustrative materials published for the first time, including a facsimile of the Remiz passport of a citizen of the USSR. The building was prepared by the scientific team of archivists and philologists of the IRLI RAS (St. Petersburg), GLM and NRU HSE (Moscow).