Chicago, Illinois, USA, 1864–1961 (Publisher)
The Chicago Reuben H. Donnelley Corporation was a publishing house of various items, most notably of phone books. It was formed from the dissolution of the Chicago Directory Company, a subsidiary of the world's largest printing company, R.R. Donnelley & Sons. The president of the new corporation was Reuben H. Donnelley (1864–1929). In 1933–1934, the Donnelley Corporation published the official postcards for Chicago’s fair, "A Century of Progress."