=== [http://www.jewishgen.org/databases/GivenNames/ JewishGen Given Names Data Bases (GNDB)] ===
Explains Primary-Subsidiary double given names (e.g., Aleksander Ziskind or Yehuda Leyb) and legal double (Primary-Subsidiary) given names which were composed of a classical Hebrew name plus an "Old" and/or "NEW" name, as the rabbis called them. Includes a database for searching Jewish given names.