@book{137571,
	author = {Rueda Hernanz, Germán.},
	title = {La emigración contemporánea de españoles a Estados Unidos, 1820-1950},
	publisher = {MAPFRE},
	year = {1993.},
	series = {Colección MAPFRE 1492},
	address = {Madrid},
	note = {Series nos. on spine only}
}