AnsetzungsformBethmann, Johann P. verwendet in: Common Library Network (GBV), Göttingen (Germany)
Bethmann, Johann Philipp verwendet in: Integrated Authority File (GND), Germany
Johann Philipp Bethmann (1715-1793), one of the two founders of "Gebrüder Bethmann", which would later become the Bethmann bank in Frankfurt am Main. [B/W reproduction of oil portrait (property of Bethmann family), name of artist not in book / Book, "Die Bethmanns", by Claus Helbing -- Public domain -- http://commons.wikimedia.org/wiki/File:Johann Philipp Bethmann (1715-1793).jpg]