Expats in Italy:
www.expatsinitaly.com/index.html
Help with Naturalization Records:
http://home.att.net/~wee-monster/naturalizationrecords.html
Italian Consulate Los Angeles:
http://www.conslosangeles.esteri.it/Consolato_LosAngeles
http://www.archives.gov/genealogy/naturalization/index.html
National Italian American Foundation:
US Citizen & Immigration Services:
