You can track down birth certificates on usgovinfo.about.com/od/consumerawareness/a/birthcert.htm or www.vitalchek.com/birth-certificates. You will need some basic info on each person whose certificate you wish to find.
If you are willing to pay the fee there are many online information search services. They can easily search birth and death certificates, addresses and phone numbers.
Birth certificates can be ordered either by telephone or online from the registrar's office, or they can be bought from the local registrar. To do this someone needs to arrange and appointment.
There are multiple websites that provide you access to birth certificates when you search specific names. These sites are: vitalrec.com/, birth.archives.com/. You can also look at ancestry.com for help with your family tree.
You can find a copy online. Search for it.
There are attorneys that specialize in birth related injuries. The easiest way to start you search would be online, make sure you include your local area in the search.
Search - 2002 is rated/received certificates of: Australia:M
Search - 1997 is rated/received certificates of: USA:R
You can go to your states welfare site to apply online. You will have to provide proof of income and give birth certificates for everyone you are applying for.
Availability of birth certificates online varies from state to state. Your best bet is to check your state website. Next would be to go to your local city hall to see if they can request a copy of it for you. Next step might be to checkw ith a church if you have had communion or confirmation there you could get a copy from them.
In Search of Mozart - 2006 is rated/received certificates of: Australia:PG
In Search of Anna - 1978 is rated/received certificates of: Australia:M
Search and Destroy - 1988 is rated/received certificates of: USA:R