Footnote 91

RWDSU Record, 19 (8), August, 1972, p. 11; 20 (9), September, 1973, p. 9; 24 (12), December, 1977, pp. 1, 4; 25 (5), May-June, 1978, p. 12; 26 (1), January, 1979, pp. 8-9; 33 (4), October/November, 1986, p. 11; 34 (1), January/February, 1987, pp. 6, 12.