Serial. Printed Ephemera Collection has: v.2:no.4 (1970:July)-v.2:no.5 (1970:Oct.), v.3:no.2 (1971:May), v.3:no.4 (1971:Oct./Nov.), v.4:no.1 (1972:Aug./Sept.), v.7:no.1 (1975:Feb.)-v.7:no.2 (1975:Aug.).