Recueil Kondakov (Prague, 1926).
RL
VM. Ebort, Reallexikon der Vorgeschichte.
Roesicr
R. Roesler, Romanische Studien (Leipzig, 1871).
Rostovtzeff
M. Rostovtzeff, Iranians and Greeks (Oxford, 1922).
Rostovtzcff, Animal Style
M. Rostovtzeff, The Animal Style in South Russia and China (Princeton, 1929).
Rostovtzeff, Centre