Research on the history of motion picture theatres in the United States of America 并列题名:Research on the history of motion picture theatres in the United States of America story of the presidents of the united states of america Study of public library thoughts in the united states of America 并列题名:Study of public library thoughts in the united states of America a concise history of the united states of america / a survey of the united kingdom and the united states of america research on the history of modern western management philosophy research on the historical evolution of the revolutionary spirit of the communist party of China a year's residence in the united states of america