Correspondence deals with and includes: initial information of McCartney's aspiration to secure membership with the United Association of Journeymen Plumbers and Steam Fitters; minutes from a meeting of the Plumbers and Steam Fitters Union indicating the increase in dues to help meet expenses; many letters considering dues and assessments made while Pat McCartney was a member of this union; a blank application to join this union; a copy of the constitution of the Plumbers and Steam Fitters Union; McCartney's working cards and dues booklet; and a copy of the by-laws and working rules. Correspondents includes: William J. Benash, Fin Secretary UAW; J.R. Dervin, Secretary United Assoc. of Journeymen Plumbers and Steam Fitters; John Cook, Business Representative Plumbers and Steam Fitters; E.C. Cole, Secretary-Treasurer Plumbers and Steam Fitters local.