LEADER 00000nam 2200181 a 4500 001 0592216 003 UkHlHU 007 t 008 002303 2 1920 000 eng 040 UkHlHU 050 4 HD 8039 B92 G7 110 2 National Federaiton of Building Trades Operatives. Yorkshire Area. 245 00 Approved working rules as and from May 1st, 1920. 260 Grimsby :|bN.F.B.T.O.,|c1920. 300 10p. 650 0 Building industry|xLabor.
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