Keystone sand division, Dravo corporation, and National organization of masters, mates and pilots, Local 25, AFL, National marine engineers beneficial association, Local 30, CIO, National maritime union of America, CIO

by United States. National War Labor Board (1942-1945). War shipping panel, Dravo Corporation. Keystone sand division, National Marine Engineers' Beneficial Association (U.S.). Local 30, National Organization of Masters, Mates, and Pilots of America. Local 25, United States. Office for Emergency Management. Division of Central Administrative Services