RWDSU Record, 7 (1), January 17, 1960, p. 15. See also RWDSU Record, 5 (16), August 31, 1958, p. 15; 5 (24), December 21, 1958, p. 15; 8 (21), November 5, 1961, p. 15; 16 (10), May 25, 1969, p. 15.