Revised and Corrected, with New Forms and Tables of Population of the United States in Accordance with the 1910 Census
MUNN & CO., Inc.
Scientific American Office
361 Broadway
new york
1912
Copyright, 1901, by the POTOMAC PUBLISHING COMPANY
Copyright, 1902, by MUNN & COMPANY
Copyright, 1906, by MUNN & COMPANY
Copyright, 1912, by MUNN & CO., Inc.
New York Macgowan & Slipper 30 Beekman Street
