The book contains unique, previously unpublished materials that present the cultural environment of the early and mid-20th century. The letters and diaries contain stories about events in the lives of Marina Tsvetaeva, Boris Bessarabov, Anna Akhmatova, Vladimir Mayakovsky, Daniil Andreev, Boris Zaitsev, Konstantin Balmont, Lev Shestov, Pavel Florensky, Vladimir Favorsky, Alla Tarasova, Igor Ilyinsky and many, many others representatives of the Russian intelligentsia. A detailed commentary is given, rare photographic materials published for the first time are presented.