1.

図書
図書
1. Bulletin of the United States Bureau of Labor Statistics (no. 204 : 1917)
U.S. Department of Labor, Bureauof Labor Statistics.
出版情報: Washington : Government Printing Office, 1917
所蔵情報: loading…
2.

図書
図書
2. Bulletin of the United States Bureau of Labor Statistics (no. 212 : 1917)
U.S. Department of Labor, Bureauof Labor Statistics.
出版情報: Washington : Government Printing Office, 1917
所蔵情報: loading…