Investigation of South Amboy, N.J., port explosion : hearings before the Special Subcommittee to Investigate the Explosion at South Amboy, N.J. of the Committee on Merchant Marine and Fisheries, House of Representatives, Eighty-first Congress, second session, pursuant to H. Res. 643, November 21, 22, 24, 25, 27, December 11, 12, 1950. (United States Government Printing Office,, 1951)