Rambaud, A. La Russie épique, étude sur les chansons héroïques de la Russie. Paris, 1876.
Roger, Julius. Pieśni ludu polskiego w Górnym Szląsku. [Songs of the Polish Peasantry in Upper Silesia.] Breslau, 1863.
Romanov, E. Bělorusskij sbornik. [White-Russian Collection.] 5 parts. Kiev, Vitebsk, 1886-91.
Rosen, Georg. Bulgarische Volksdichtungen, gesammelt und ins Deutsche übertragen von ——. Leipzig, 1879.
Rybnikov, P. N. Pěsni sobrannyja ——. [Songs collected by P. N. R. Edited by P. Bezsonov and others.] 4 vols. I, II, Moscow, 1861, ’62; III, Petrozavodsk, 1864; IV, St Petersburg, 1867.
Sacharov, J. Pěsni russkago naroda. [Songs of the Russian People.] 5 vols. St Petersburg, 1838-39.
—— Skazanija russkago naroda. [Utterances of the Russian People.] 2 vols. St Petersburg, 1841-49.
Sbornik za narodni umotvorenija, nauka i knižnina, izdava ministerstvoto na narodnoto prosvěštenie. [Collection of the National Creations, Science and Literature, edited by the Ministry of Public Instruction.] 11 vols. Sofia, 1889-94.
Šejn, P. V. Bělorusskija narodnyja pěsni. [White Russian Popular Songs.] St Petersburg, 1874.
—— Russkija narodnyja pěsni. [Russian Popular Songs.] Moscow, 1870.