00789nam a2200229Ia 4500 224849 BIBL 20160527201227.0 920714s1963 ag 00100 eng evn00000519 /L spa eng CACG HD6508 .P42 1963 331.880973 Peterson, Florence Local 150221 El movimiento obrero norteamericano historia y desarrollo Florence Peterson ; traducción de Américo Vitale. Buenos Aires Ediciones Marymar [1963] 299 p. Translation of : American labor unions : what they are and how they work. Trade unions United States History. Local 180988 Labor United States. Local 122214 168388 168388 0 0 0 331_880000000000000_P485A_E 0 evl 324155 10 10 1 2016-05-27 128837 0 331.88 P485a E 80000000431299 2016-05-27 00:00:00 r:224849 z:NCC:D 6 0 0 ddc 0 331_800000000000000_P485A_E 0 abl 324159 1 1 17 2016-05-27 Orbe 6.50 321532 0 331.8 P485a E 60000001818613 2016-05-27 00:00:00 r:224849 6