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Königsberg (East Prussia):
<http://adressbuecher.genealogy.net/addressbook/547465411e6272f5d03d2314>
Address Book of the imperial capital Königsberg i.Pr. and the suburbs:
<http://adressbuecher.genealogy.net/addressbook/547465411e6272f5d03d2314>
1888 Information about this book:
<http://wiki-de.genealogy.net/Gedbas4all:Source_547465411e6272f5d03d2314>
Königsberg (East Prussia):
<http://adressbuecher.genealogy.net/addressbook/54747b6e1e6272f5d19916ab>
Einwohnerbuch of Königsberg and the suburbs:
<http://adressbuecher.genealogy.net/addressbook/54747b6e1e6272f5d19916ab>
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