Sources:
"Concerning Questions of Agrarian Policy in the U.S.S.R." Speech Delivered at a Conference of Marxist Students of Agrarian Questions December 27, 1929:
https://www.marxists.org/reference/ar...
Definition of Kulak from The Great Soviet Encyclopedia:
https://encyclopedia2.thefreedictiona...
Decree of the Politburo of the Central Committee of the All-Union Communist Party of Bolsheviks "On measures to eliminate kulak farms in areas of continuous collectivization." January 30, 1930:
https://www.marxists.org/reference/ar...
and
Dictatorship and Democracy in the Soviet Union by Anna Louise Strong 1934:
https://www.google.com/url?sa=t&sourc...
"What about Russia? An Honest Reply to Honest Questions" by Anna Louise Strong 1936
"The Soviets Expected It" by Anna Louise Strong 1942