In the Nürnberger - Fürther - Industrie - Almanach 1. 1870 the following entry is found: Kohn, Mayer, Owner: Josef and Anton Kohn, Bankgeschäft. Königstra;e 26.  -                  After Josef Kohn moved to Germany on 24. On May 24, 1850, Josef Kohn and Anton Kohn became the first Jews in 350 years to be granted the right to settle in the city of Nuremberg.

In the address book of the city of Strasbourg in 1911, there is the following entry: Leopold Dreifuss, Weingroßhandlung, Lange Strasse 101, owner Leopold Dreifuss, apartment: Roseneck 6.

In the address and business handbook of Nuremberg and the suburbs of St. Johannis,Wöhrd,Gostenhof,St. Peter and Steinbühl 1873 the following entries can be found: Bamberger-Birnbaum. Peter und Steinbühl 1873 the following entries can be found: Bamberger-Birnbaum, Max, Weißwarenhandlung, Vordere Ledergasse 2  -  Bamberger-Birnbaum, Max, Kaufmann und Theilhaber obiger Firma, Ludwigstra;e 2, Privatwohnung.In the Nürnberger-Fürther Industrie-Almanach 1. 1870.

In the address book for Frankfurt am Main and the surrounding area in 1922, there is the following entry: L. & E. Wertheimber, Bankgeschäft, Börsenstr. 13. E. (Tel. Hansa 160,162,163,164 and 169) Inh. Julius Wertheimber (Homburg v.d.H.), Dr. jur. Alexander Rosenstein (Dornholzhausen) u. Alexander von Marx.