@book{227196,
	author = {Winton M. Blount Postal History Symposium. and Lera, Thomas M.},
	title = {The Winton M. Blount Postal History Symposia},
	publisher = {Smithsonian Institution Scholarly Press},
	year = {2010.},
	series = {Smithsonian contributions to history and technology},
	address = {Washington, D.C.}
}