View of the Cass Avenue entrance of the Detroit Public Library. Printed on back: "Detroit Main Library, Cass Avenue facade. The Detroit Public Library with its 28 branch libraries and more than 3 million books, maps and manuscripts is one of the great public libraries of the world. Its Main Library, in the Cultural Center, with fronts on Woodward Avenue and Cass Avenue, is a show-place of Detroit. Hiawatha Card of Detroit, P.O. Box 488, Ypsilanti, Michigan 48917. Made by Dexter Press, Inc., West Nyack, New York."