SHOWALTER Dennis E Tannenberg : clash of empires - Hamden CT: Archon Books, 1991 - 419p. Detailed description and analysis of the opening battle of the first world war in which Germany won a decisive victory over tsarist Russia. The author also shows how the events contributed to subsequent german military policy. ISBN: 020802252X (hbk.) Subjects--Topical Terms: FIRST WORLD WARTANNENBERG