The book "Reflections on the Life, Character and Work of Gulyan Crommelin Verplanck, delivered before the New York Historical Society on May 17, 1870" by William Cullen Bryant is an important literary work dedicated to the study of the life and legacy of the outstanding American figure Gulyan Crommelin Verplanck. In his work, the author examines in detail various aspects of Verplanck's life and activities, revealing his contribution to the socio-cultural development of America. Bryant carefully examines Verplank's character, his views and values, trying to trace the development of his intellectual and cultural interests. He addresses various aspects of the past in an attempt to understand Verplanck's importance and influence on the society of his time. The work of William Cullen Bryant is an essential resource for anyone interested in the history and culture of the 19th century United States of America. The author skillfully combines biographical data and analysis of Verplanck's work, making this work rich and interesting for the reader.