The book "Correspondence of Thomas Carlyle and Ralph Waldo Emerson, 1834-1872, Volume I" is a collection of joint letters of two outstanding figures of the 19th century, which reflects not only their mutual discussions and opinions, but also important historical events and cultural trends of that time. In these letters, we see a reflection of their different views on literature, philosophy and history, which affects not only their relationships, but also their intellectual picture of the world. This work is a unique reflection of the spiritual life and discussions of two brilliant people of that time, which leaves an unforgettable impression and expands our understanding of the cultural heritage of the 19th century.