Professor Craig covered the roots of Germany 's emergence as the fulcrum of 20th-century Europe in books including '' From Bismarck to Adenauer : Aspects of German Statecraft '' -LRB- Harper ; rev . ed . , 1965 -RRB- ; '' The Battle of Koniggratz : Prussia 's Victory Over Austria , 1866 '' -LRB- Lippincott , 1964 -RRB- , and '' Military Policy and National Security '' -LRB- Praeger , 1966 -RRB- .