Rudolf and Martha Oestreicher (bookplate). Rudolf Oestreicher (1869 Aschaffenburg - 1942 Manhattan, New York) was a Jewish merchant in Aschaffenburg. His wife was Martha, née Lang (1878 Meiningen - after 1942); both moved to Karlsruhe in 1937; both emigrated to New York/USA in 1939. Book via Gerhard Braun (1907 Kleineicholzheim - 1997 Emmendingen) (ownership entry) to partial heirs and people who reported the found.
