KGB, THE INSIDE STORY, CHRISTOPHER ANDREW AND OLEG GORDIEVSKY, 1990, 1991 HarperPerennial

BOOK COVER REVIEW : KGB, THE INSIDE STORY Of Its Foreign Operations from Lenin to Gorbachev, CHRISTOPHER ANDREW AND OLEG GORDIEVSKY, 1990, 1991 HarperPerennial.

Wikipedia article on Christopher Andrew (historian) : https://en.wikipedia.org/wiki/Christopher_Andrew_(historian)

Wikipedia article on Oleg Gordievsky : https://en.wikipedia.org/wiki/Oleg_Gordievsky

Wikipedia chapter on Christopher Andrew (historian), Select bibliography : https://en.wikipedia.org/wiki/Christopher_Andrew_(historian)#Select_bibliography