Bulletin of the United States Bureau of Labor
著者
書誌事項
Bulletin of the United States Bureau of Labor
G.P.O, 1912-1913
- No. 101 (July 1912)-no. 111 (Dec. 1912)
- タイトル別名
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Bulletin of the U.S. Bureau of Labor
Bulletin of the United States Bureau of Labor
G.P.O, 1912-1913
Bulletin of the U.S. Bureau of Labor