Obtaining copies of Birth, Death, Marriage and Divorce Certificates
In the event that you are missing a document:
http://www.cdc.gov/nchs/w2w.htm
Obtaining a Social Security report
A social security report is a useful document if you are required to show that you or your parents lived outside of Israel as part of your application.
Obtaining copies of Tax documents
Tax documents may be useful if you are required to show that you or your parents lived outside of Israel as part of your application.
http://www.irs.gov/Individuals/Copies-of-Prior-Year-Federal-Tax-Returns-and-or-a-Transcript
Obtaining an FBI background check
Some applications require a criminal background check (and apostille will need to be added – see above)
https://www.fbi.gov/services/cjis/identity-history-summary-checks