"Lantbruk Ryssland." . . "Politique agricole URSS." . . "Sovjet-Unie." . . "Machine-tractor stations." . . "Landbouwmachines." . . "Economia agraria socialista." . . "Agricoltura Meccanizzazione Unione Sovietica." . . . . "Agricultural machinery." . . "Landbouweconomie." . . "Machine-tractor Stations." . . "Politieke aspecten." . . . . . . "One hundred thousand tractors; the MTS and the development of controls in Soviet agriculture" . . "One hundred thousand tractors : the MTS and the development of controls in Soviet agriculture" . "One hundred thousand tractors : the MTS and the development of controls in Soviet agriculture"@en . . . . . . . . . . "One hundred thousand tractors : the M.T.S. and the development of controls in Soviet agriculture" . . . "One hundred thousand tractors : The MTS and the development of controls in Soviet agriculture" . "Maschinen- und Traktorenstation" . . . . "One hundred thousand tractors : The Machine-tractor-stations and the development of controls in Soviet agriculture" . . "One hundred thousand tractors : the MTS and the development of controls in Soviet agriculture. Robert F. Miller" . "One Hundred Thousand Tractors The MTS and the Development of Controls in Soviet Agriculture" . . . . . "One hundred thousand tractors the MTS and the development of controls in Soviet agriculture"@en . . . "One hundred thousand tractors"@en . . . . . . . . . . . . . . . . "One hundred thousand Tractors" . "Sowjetunion." . . "Machines agricoles URSS." . .