4The Life and Legal Writings of Hugo Grotius,Norman Oklahoma:University Oklahoma Press,1969.
5Samuel Pufendorf.Vol.Ⅱ, A Translation of the Text by W. A. Oldfather, with a Translation by E. H. Zeydel of the Introduction , Oxford: Clarendon Press; London: Humphrey Milford, 1934 .
6R. W. Lee: Hugo Grotius, London: Humphrey Milford,1931
7Friedrich Meinecke: Machiavellian: The Doctrine of Raison dEtat and Its Place in Modem History, translated by Douglas Scott, Yale, 1957.
