May Day traditions / Alexander Khramtsov ; [translated from the Russian by Galina Glagoleva]. Tradit︠s︡ii Pervomai︠a︡. Khramt︠s︡ov, A. F. May Day History. HD7791 .K49 1986 394.2627 KHM Title on verso t.p.: Tradit︠s︡ii Pervomai︠a︡. Moscow : Progress Publishers, c1986. c1986. 1986 Text 103 p. : eng eng rus