I have come across a record for my family from Berlin in the 1911 Zuruckgefuhrtes Erstregister.  Can anyone describe to me what kind of registry this is?

Than you in advance!
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Vicky Furstenberg Ferraresi
Belmont, California, USA

searching:

FUERSTENBERG (Gdansk, Berlin, Shanghai), PROCHOWNIK (Bydgoszcz, Berlin, Shanghai), QUIATOWSKY (Berlin, Ujest/Ujazd)), BAUM (Gdansk), FREYSTADT (Berlin, Sweden), HEYMANN (Israel, Geneva), SCHULVALTER (Berlin, Brazil), SILBERSTEIN/SILVER (Gdansk, Chicago)