In Moscow the request was processed. Evidence was unearthed in the Comintern Archives in the late 1980s, Lt. General [[Pavel M. Fitin]], the head of [[KGB]] foreign intelligence operations in Moscow, requested of Secretary General of the Comintern [[Georgi Dimitrov]] information to complete Magdoff's recruitment. <ref>[http://en.wikisource.org/wiki/Fitin_to_Dimitrov%2C_29_September_1944 Wikisource:Fitin to Dimitrov, 29 September 1944].</ref>
This document was published in a book by historians Harvey Klehr, John Earl Haynes, and Fridrikh Igorevich Firsov <ref> ''The Secret World of American Communism'', Yale University Press, 1995.</br>
</ref>, and also in the memoirs of [[Alexandre Feklisov]] <ref>[http://wwics.si.edu/index.cfm?topic_id=1409&fuseaction=library.document&id=50A "A NKVD/NKGB Report to Stalin: A Glimpse into Soviet Intelligence in the United States in the 1940's"] Pozniakov, Vladimir, Woodrow Wilson International Center for Scholars Cold War History Project Virtual Archive: "Feklisov, pp. 65-105; M. Vorontsov, Capt. 1st rank, Chief Navy Main Staff, Intelligence Directorate, and Petrov, Military Commissar, NMS, ID to G. Dimitrov, 15 August 1942, No. 49253ss, typewritten original; G. Dimitrov to Pavel M. Fitin, 20 November 1942, No. 663, t/w copy; P. M. Fitin to G. Dimitrov, 14 July 1944, No. 1/3/10987, t/w copy; P. M. Fitin to G. Dimitrov, 29 September 1944, No. 1/3/16895, t/w copy. All these documents are NMS ID and FCD Chiefs' requests for information related to Americans and naturalized American citizens working in various US Government agencies and private corporations, some of whom had been CPUSA members. The last two are related to a certain Donald Wheeler (an OSS official), Charles Floto or Flato (who in 1943 worked for the "...Dept. of Economic Warfare"), and Harry Magdoff (War Production Board)-the request dated 29 Sept. 1944-and to Judith Coplon who according to the FCD information worked for the [[Dept. of Justice]].-RTsKhIDNI, f. 495, op. 74, d. 478, l. 7; d. 484, l. 34; d. 485, l. 10, 14, 17, 31, 44."</ref>
(the Soviet [[Agent handler|Case Officer]] for [[Julius Rosenberg]] and [[Klaus Fuchs]]), published in 2001.