C. I. O., 1937-1956

This subseries consists of correspondence and committee minutes recording interactions between the IUMSWA and Congress of Industrial Organizations (C.I.O.). Among the topics discussed are C.I.O. committee activities, matters to be addressed at C.I.O. conventions, and coordination between the C.I.O. National Office and IUMSWA officials. Arrangement is alphabetical by document type, then by committee or department name.