Serial. Printed Ephemera Collection has: 1970:May-1970:July, 1970:Sept.-1970:Oct., 1970:Dec., 1971:Feb.-1971:Sept., 1971:Nov.-1972:Jan., 1972:Mar.-1972:Apr., 1972:June-1972:Sept., 1972:Nov.-1973:Feb., 1973:Apr.-1973:June, 1973:Sept., 1973:Dec.-1975:July, 1975:Oct.-1975:Nov., 1976:June-1977:Mar., 1977:May-1977:Sept., 1977:Nov.-1978:Jan., 1978:June, 1978:Oct., 1980:Nov. Includes two issues which lack enumeration and chronology.