If you were born to U.S. parents abroad, contact the U.S. Dept. of State, Passport Services, Correspondence Branch, 1111 19th St. NW, Suite 510, Washington, DC 20522-1705, phone 202-955-0307. Or visit the
U.S. Dept. of State Passport Services for your birth certificate. Let them know you need it authenticated for use outside of the United States.
Locally, you can check with the U.S. Citizenship and Immigration office:
USCIS Application Support Center
721 S.W. 14th Ave., Portland, OR 97205-1904
Or visit the
U.S. Citizenship and Immigration website.
Otherwise, check with the country of origin for a certified copy of those certificates. Be sure to let them know you need them authenticated.