http://pec.lib.wvu.edu/record/P3601972-1973 Survival.Serial. Printed Ephemera Collection has: v.1:no.4 (1972:Mar.), v.2:no.2 (1972:Dec.)-v.2:no.3 (1973:Mar.), v.2:no.5 (1973:summer).Civil defense--United States--Periodicals.14256