U.S. Dept. of Commerce, Office of Business Economics, Regional Economics Division; [for sale by the Superintendent of Documents, U.S. Govt. Printing Off.1965.<331.11-A823g>
by Lowell D. AshbyU.S. Dept. of Commerce, Office of Business Economics, Regional Economics Division; [for sale by the Superintendent of Documents, U.S. Govt. Printing Off.1966
by Lowell D. AshbyU. S. Dept. of Commerce, Office of Business Economics, Regional Economics Division ; [for sale by the Superintendent of Documents, U. S. Govt. Print. Off.1966