Klass, Rosanne (1994). The Widening Circle of Genocide. Transaction Publishers. p. 129. ISBN 9781412839655. During the intervening fourteen years of Communist rule, an estimated 1.5 to 2 million Afghan civilians were killed by Soviet forces and their proxies- the four Communist regimes in Kabul, and the East Germans, Bulgarians, Czechs, Cubans, Palestinians, Indians and others who assisted them.
