“1) There is no record of a Communist leader, philosopher or pamphleteer by the name of Israel Cohen, in England or elsewhere; 2) No book or pamphlet entitled “A Racial Program for the Twentieth Century” is known to the Library of Congress, the British Museum or the National Union Catalogue which summarizes the holdings of 800 libraries in the United States; 3) No United States Executive or Congressional agency concerned with combating Communis m, all of which have extensive biographical and bibliographic data, have a record of an alleged Communist writer known as Israel Cohen; 4) The term “Communist Party” could not have been used by any Communist writer in 1912, since the term was not coined until 1917, when it was first used by the founder of the Russian Communist Party, Nicolai Lenin.
The Washington Star did establish, by contacting Israel Cohen, a well-known Anglo-Jewish writer living in London, that the real Mr. Cohen had never written such a book. The real Israel Cohen was general secretary of the World Zionist Organization from 1922 to 1939, and is the author of at least two dozen books, not one of which deals with Communism. Among Mr. Cohen’s works are a history of Zionism, travel books, and books dealing with contemporary Jewish affairs based on his broad experiences in Jewish work dating back to 1909, when he was secretary of the British Zionist Federation:
The Washington Star stated editorially, after tracing the hoax: “Certainly one innocent victim of this fraud has been Israel Cohen, of London, a journalist and writer of excellent reputation, whose name seems to have been gratuitously exploited as part of the fabrication.”
https://www.jta.org/archive/cincinnati-jewish-community-group-exposes-vicious-anti-semitic-hoax