This document was published in a book by historians Harvey Klehr, John Earl Haynes, and Fridrikh Igorevich Firsov {{NamedRef|Haynes|7}}, and also in the memoirs of [[Alexandre Feklisov]] {{NamedRef|Feklisov|8}} (the Soviet [[Agent handler|Case Officer]] for [[Julius Rosenberg]] and [[Klaus Fuchs]]), published in [[2001]]. | This document was published in a book by historians Harvey Klehr, John Earl Haynes, and Fridrikh Igorevich Firsov {{NamedRef|Haynes|7}}, and also in the memoirs of [[Alexandre Feklisov]] {{NamedRef|Feklisov|8}} (the Soviet [[Agent handler|Case Officer]] for [[Julius Rosenberg]] and [[Klaus Fuchs]]), published in [[2001]]. |