http://zbc.ksiaznica.szczecin.pl/dlibra/docmetadata?id=264&from=&dirids=1&ver_id=268&lp=1&QI=

Samuel HEYMANN is mentioned 4 times in "Die Geschichte der Synagogengemeinde zu Stettin" by Jacob Peiser: 1. 1814 - Settled there with brothers Benjamin and Jacob 2. 1816 as one of the 18 founders of the Jewish community in Stettin 3. 1821 in the Jewish population list of the police in Stettin 4. 1822 (or later) in the member list of "Israelitischer Wohltätigkeits- und Beerdigungsverein" (Chewra Kadischah)

In "Die einstigen jüdischen Gemeinden Pommerne" by Gerhard Salinger are mentioned among the (about 650) "Still existing Jewish tradesmen in Stettin 1935": - HEIMANN, Leo, merchant, Königstr.12 - HEYMANN, Karl, men's ready-made clothing, Gr. Oderstr.3 - HEYMANN, Wilhelm, millinery, Greifenstr.2