found: My five Cambridge friends, 1994:CIP t.p. (Yuri Modin) pub. info. (b. 1922; KGB officer)
found: Mes camarades de Cambridge, 1994:t.p. (Youri Ivanovitch Modine)
found: Sudʹby razvedchikov, 1997:t.p. (I︠U︡riĭ Modin) t.p. verso (Modin I︠U︡.I.) colophon (Modin I︠U︡riĭ Ivanovich)
found: OCLC database, Jan. 28, 2000:(hdgs.: Modin, Yuri, 1922- ; Modin, I︠U︡riĭ; usage: Yuri Modin, I︠U︡riĭ Modin)
found: Wikipedia, viewed Dec. 23, 2021(Yuri Ivanovich Modin (8 November 1922 - 2007) was the KGB controller for the "Cambridge Five" from 1948 to 1951, during which Donald Duart Maclean was said to have passed atomic secrets to the Soviets) - https://en.wikipedia.org/wiki/Yuri_Modin