The following links contain sites with information that may be of interest to you:

American Jewish Archives
American Jewish Historical Society
Ancestry.com
Center for Jewish History
Congregation Adath Jeshurun
Congregation Beth Sholom
Congregation Rodeph Shalom
Feinstein Center for American Jewish History at Temple University
Goldsteins' Rosenberg's Raphael-Sacks
Historic Society of Pennsylvania
Jewish Cemetery Association of North America
The Jewish Community Website of Greater Philadelphia
Jewish Encyclopedia.com
Jewish Exponent
Jewish Genealogical Society
Jewish Genealogical Society of Greater Philadelphia
Levine Funeral Home
Library at the Herbert D. Katz Center for Advanced Judaic Studies at University of Pennsylvania
National Museum of American Jewish History
Philadelphia Jewish Archives
Reform Congregation Keneseth Israel
Temple Judea
The Home of Jewish Genealogy
Yiddish Book Center