@book{527052,
	author = {Institute of Marxism-Leninizm of the C.C. C.P.S.U. The Hague Congress of the First International, September 2-7, 1872. Reports and Letters.},
	title = {Ist International. The Hague Congress, 1872 :},
	publisher = {Progress,},
	year = {1977.},
	address = {Moscow :}
}