. . "Nikolai Ivanovich Ryzhkov" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "1929-09-28" . . . "Nikolai Rychkov" . "Nikolay Ryzhak" . . . . "1929" . . . . . . . . . . "Premier Ryzhkov" . . . . . . . . . . . . . . "centralised price reform proposal" . . . . . . "Ryzhkov,Nikolai Ryzhkov" . "Dmitry Rychkov" . . "Nikolai Ryzhkov" . . . . . "Nikolai Ryzhkov" . . . . . . . . . . . . "Ryzhkov" . . . . . . "Nikolai_Ryzhkov" . . . . "Nikolai Rybikov" . . . . . . "Nikolai Ivanovich Ryzhkov" . . . "Ryzhkov, Nikolai" . . . "Nikolai Ryzhenkov" . "Nikolay Ryzhkov" . . . . .