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Rasseykin, Dmitry P. Examination of the Crime Scene and Corpse in Murder Investigations (Osmotr mesta proisshestviya i trupa pri rassledovanii ubiystv). Saratov, 1967. In Russian.
Razumov, L. V. Social Stratification of the Peasantry of the Central Industrial Region in the Late Nineteenth to Early Twentieth Century (Rassloenie krest'yanstva Tsentral'no-promyshlennogo rayona v kontse XIX - nachale XX veka). 1996. In Russian.
Rimsky-Korsakov, N. A. Two vocal editions from the “Cheap Library” series: Lel’s Third Song from “The Snow Maiden” & Lyubava’s Aria from “Sadko”, 1931. In Russian.
Rogava, A. A. The Beginnings of Capitalism in Georgia and the Policy of Heraclius II (Zachatki kapitalizma v Gruzii i politika Irakliya II), 1974. In Russian.
Roustaveli, Chota. Le Preux a la peau de tigre (Vepkhistqaosani / Vityaz' v tigrovoy shkure). French text by Elisabeth Orbeliani and Solomon Iordanichvili, 1977. In French.