Galperina Yulia S. RussiaSaratovSaratov State University, 83 Astrakhanskaya St., Saratov 410012, RussiaPostgraduate Student at the Department of Historiography, Regional History and Archaeologygalperinajulia@mail.ru Author's articles The research of family structure of German settlements on the Volga River in the middle of XIX-th century: based on "Gnilushka" colony (Pfeifer) Economic development of german Сolonies on the Volga river in the second half of the 18th – the first half of the 19th centuries