Industrial relations and labor conditions series
G.P.O
by Asa Matsuoka
U.S. G.P.O. , For sale by the Supt. of Docs., U.S. G.P.O. 1931 Bulletin / Bureau of Labor Statistics no. 558 , Industrial relations and labor conditions series
所蔵館6館
United States Government Printing Office 1931 Bulletin / Bureau of Labor Statistics no. 534 , Industrial relations and labor conditions series
所蔵館5館
by Gladys Louise Palmer
G.P.O. 1925 Industrial relations and labor conditions series , Bulletin / Bureau of Labor Statistics no. 399
所蔵館7館
