Later , Romero made There 's Always Vanilla ( 1971 ) , Jack 's Wife \/ Season of the Witch ( 1972 ) and The Crazies ( 1973 ) and Martin ( 1977 ) . These films were not as popular as Night of the Living Dead . Three films that followed were less popular : There 's Always Vanilla ( 1971 ) , Jack 's Wife \/ Season of the Witch ( 1972 ) and The Crazies ( 1973 ) were not as well received as Night of the Living Dead or some of his later work .