@book{116191,
	author = {Levitt, Marcus C., and ebrary, Inc.},
	title = {Early modern Russian letters},
	publisher = {Academic Studies Press,},
	year = {2009.},
	series = {Studies in Russian and Slavic literatures, cultures and history},
	address = {Boston :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10509014}
}