Pleve, Igor. List of Colonists to Russia in 1766, "Reports by Ivan Kulberg," Ministry of Education and Science of Russian Federation, Saratov State Technical University; Published in Saratov, Russia 2010; page 442, Samuel Rusch, Lutheran farmer from Mecklenburg, document number 7455, wife Anna, and children Georg, age 9, Christian, age 9 months, Helena, age 20, and Catharina, age 8.
Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767, Herausgegeben von Alfred Eisfeld under Mitarbeit von Sabine Eichwald, Published by the Nordost-Instsitut - 38085 Göttingen, 2005; page 76, family #22, Samuel Rusch, age 68, Lutheran Farmer from Pommern; wife: Anna Margaretha, age 41; son Friedrich, age 18; son Johann Georg, age 12; son Christian, age 4; daughter Dorothea, age 10.
↑The 1775 and 1798 Census of the German Colony on the Volga, Lesnoy Karamysh, also known as Grimm; Published by the American Historical Society of Germans from Russia, Lincoln, Nebraska, USA; Published date: 1995; family #106, Samuel Rusch, age 86; wife Anna Margareta, age 56, Johann Georg, age 17 years 6 months, Christian, age 12, and Katarina Maria, age 16.