African American Resources at PA State Archives

Afro-American Historical and Genealogical Society

Allegheny Valley Library Obituary Index

Archive Grid

Butler County Genealogical Society

Butler County Historical Society

Carnegie Library Pennsylvania Department

Chronicling America Historic Newspapers

Cyndi's List

Ethnic Heritage Resources at the National Archives

Family Search

• ​The Butler Area Public Library is a Family Search Affiliate Library, with exclusive in-library access to thousands of newly digitized reels of microfilm

Free Newspaper Archive

Genealogical Society of Hispanic America

Genealogy Resources Online

Hispanic Genealogy Society

Jewish Genealogy

Jewish Genealogy Society of Pittsburgh

National Archives

New Castle Public Library's Marriage/Obituary Database

Pennsylvania Newspaper Archive

Purdue University Free Historic Newspapers by State

Rauh Jewish Archives - Heinz History Center

RootsWeb Butler

Wexler Oral History | Yiddish Book Center