@book{122596,
	author = {Sorokin, Pitirim Aleksandrovich,},
	title = {Social philosophies of an age of crisis /},
	publisher = {A. & C. Black,},
	year = {1952.},
	address = {London :},
	note = {"This book is an enlarged version of my Cole lectures on 'Recent Philosophies of History,' presented in April, 1950, at the seventy-fifth anniversary of Vanderbilt University."}
}