Jewishgen's FAQ - Essential reading
Family Tree Maker Courses - Slow, because of graphics. But worth going through.
Huge collection of Information files on "everything" - Essential

SSDI (Social Security Death Index) - A good place to start
Jewishgen's Search Pages - Jewishgen Family Finder, SefardSIG, etc.
Steven Morse's superb Search engines - Ellis Island passenger lists, US Census, Israel phone directory in English, etc.
Stern's "First American Jewish Families: 600 Genealogies, 1654-1988"
Avotaynu's Consolidated Surname Index - Can be helpful
Jews of London - Early XIX
Newspaper Archives - Archives on line
Obituary Daily Times - Obituaries on line
Library of Congress
U.S. Bureau of the Census
National Archives
NARA Immig and Passenger Lists

My page of links to General Sephardic sites
JewishGen: Jewish Genealogy - If you only go to one site, this is it.
Congregation Ezra Bessaroth - Seattle Congregation of Jews from Rhodes.
Sephardic Jews arrive in Seattle in 1902 - History essay from State of Washington Online Encyclopedia.
Sephardic Bikur Holim Congregation - Seattle Congregation of Jews from Turkey.
Search engines
JewishGen Links Page
Am Jewish Hist Soc
Center for J. History
Avotaynu
The settlement of the Jews in North America
Jewishnet Libraries
Jewishnet resources
US Holocaust Museum
Cybrary of the Holocaust