Census of electrical industries:
1902
At head of title, 1902-1907: Dept. of Commerce and Labor ... Bureau of the Census ... ; 1912- : U.S. Dept. of Commerce ... Bureau of the Census ... (varies slightly) Reports for 1902 and 1907 issued as Special reports. Electrical industries: 1902[-1907] Preliminary reports for 1902 and 1912 were issued November 30, 1903 and June 1914 as Bulletin no. 5 and 124, respectively
