@book{287732,
	author = {CENSUS BUREAU, Commerce Dept.},
	title = {Persons of Spanish surname.},
	year = {1973].},
	series = {1970 census of population: subject reports, PC(2) (series) ;},
	address = {[Washington, D.C.,},
	note = {June 1973.},
	url = {https://catalog.gpo.gov/fdlpdir/locate.jsp?ItemNumber=0159&SYS=000730915}
}