"Pittsburgh: A Sketch of Its Early Social Life" is an important book written by Charles William Dallinger, which allows the reader step by step to open the pages of the past life of the American city of Pittsburgh. The author tells in detail about the formation of the social structure of the city, about the people who inhabited it, their customs, traditions and ways of life. In addition, the book sheds light on the key events and stages of the development of Pittsburgh, revealing the historical conditions, the influence of which formed the special face of this city. Pittsburgh: A Sketch of Its Early Social Life is not just a book about the past, but a look at how the past influences the present and shapes the future.