RWDSU Record, 8 (7), April 9, 1961, p. 15. See also Publication of the RWDSU, 1 (3), July 4, 1954, p. 12; RWDSU Record, 1 (12), November 28th, 1954, p. 14; 16 (9), May 11, 1969, p. 15.