71
72
73
74
een geschiedenis en bronnenoverzicht
1992
75
76
77
78
United States. Department of Commerce and Labor., Halstead, Albert, 1867-1949., Pepper, Charles M. (Charles Melville), 1859-1930., United States. Bureau of Foreign and Domestic Commerce., United States. Congress. Senate., United States. Department of Commerce., United States. Bureau of Manufactures.
1909
1909
79
80