Four Brothers Sworn to a Mighty Oath Death..Romance..Mystery..Intrigue (Print Ad-New Oxford Item, ((New Oxford, Penna.)) 12 May 1938)
Four valiant brothers...and a girl...fighting today's brooding menace as it stirs revolt, strikes sudden death, massacres innocents throughout the world! (Print Ad- Pittsburgh Press, ((Pittsburgh, Penna.)) 3 May 1938)